Best True Dual Exhaust For Harley

So, you have been thinking about upgrading the exhaust system of your Harley Davidson bike for some time now? However, you are still not sure whether getting a new true dual exhaust system is really worth it considering the price.

Well, if you are interested in more horsepower, torque, and better sound, investing in the best true dual exhaust for Harley would be worth it. Besides improving your bike’s performance, a true dual system gives your bike a stylish look with its chrome or black finish.

However, if you don’t know well what a true dual exhaust looks like, you might end up buying a regular dual exhaust instead. So, to help you avoid making this mistake, we are going to review some of the best products on the market. But before doing that, let’s first find out what true dual exhaust is.

List of True Dual Exhaust For Harley:

What Is A True Dual Exhaust? 

This is an exhaust system designed to separately use two exhaust manifolds, two mufflers, two or more catalytic converters, and two exhaust tailpipes. As such, you can expect double the amount of exhaust to be forced out of the engine.

Basically, this system works by allowing exhaust gasses out of your bike’s engine cylinders faster through the two pipes so that it can quickly suck more air. As a result, your engine gets to experience a more complete combustion cycle.

WHAT IS A TRUE DUAL EXHAUST

And when this happens, you will likely notice an increase in horsepower from your bike and better gas mileage. Therefore, if you are interested in top-end performance, you should consider upgrading to a true dual exhaust system.

10 Best True Dual Exhaust For Harley Davidson

If you need a performance upgrade for your lovely bike, you cannot go wrong with investing in the best Harley Davidson dual exhaust. Having said that, let’s check out some of the top-rated options available on the market.

1. Cobra True Dual Head Pipes 6250

Cobra True Dual Head Pipes 6250

Highlighted Features:

  • Separate 1-3/4” head pipes for optimal torque and power 
  • 2.5-inch one-piece heat shields for added protection against exhaust heat
  • Includes all the mounting hardware to ensure a quick installation
  • Compatible with slip-on and OEM-style mufflers
  • Chrome body finish for enhancing its appearance and durability

Cobra is a tested brand in the automobile industry and is popular for its top-quality products. And this true dual exhaust is one of the best exhaust systems they have. It is designed to make sure that you get sufficient torque crucial for a super performance.

One of the things you will be sure to love about this product is how large its heat shields are in diameter. At 2.5 in, the shields are quite huge. As such, they tend to completely cover the exhaust pipes from the ports all the way to the muffler bodies, thereby providing your engine components with maximum protection. Therefore, you won’t ever feel the exhaust heat when riding your bike.

The best part is that the product comes with all the mounting hardware you will need to install it. You also get clear instructions for ease of installation. However, with its 1-3/4” header diameter, it will only fit 95-06 touring models. And when it comes to sound, the exhaust is designed to give your bike a more pronounced “Harley Davidson” sound thanks to the big pipes.

In terms of design and looks, the exhaust boasts a high-quality chrome finish. Therefore, it will surely look great on your bike. The finish also helps increase the durability of your exhaust. You will also love the fact this product features lightweight construction to allow better acceleration and handling of your bike.

2. Vance & Hines Power Duals Exhaust

Vance & Hines Power Duals Exhaust

Highlighted Features:

  • Dual bung oxygen sensor ports for excellent performance and increased torque
  • Full-coverage heat shields reduce temperatures up to 250 degrees Fahrenheit
  • Power chamber hidden behind contoured heat shields ensures improved bike performance
  • Can be paired with any Vance & Hines slip-on mufflers for touring models
  • Compatible with 2009-2016 Harley touring models

If you are looking for the best true dual exhaust for Harley, you should consider getting this high-quality system. According to the manufacturer, this product is manufactured to high-quality standards and will provide you with increased horsepower, better sound, and torque over your stock pipes.

And you know what the best part is? Well, the exhaust is built with dual bung oxygen sensor ports each measuring 18mm and 12mm respectively to ensure optimal performance of your ride. In addition, it features two 1/4” heat shields designed to reduce exhaust temperatures up to 250 degrees Fahrenheit. Therefore, you will never feel the exhaust’s heat.

As if that’s not enough, the unit comes with a 1- 3/4″ diameter pipe to provide you with the best possible torque from your engine. The diameter of the pipes also makes the exhaust a perfect fit for 2009-2016 touring models. Even better, the exhaust system is designed to be lightweight for optimal bike performance.  

Additionally, the unit has a fantastic design and chrome finish that adds to your bike’s look. Simply, it gives your bike a stylish and professional feel. However, according to different customer reviews, the installation instructions are not clear. The good news is that it does come with everything you need to get the system installed. As such, you might find the installation process easy.

3. SHARKROAD 2 Into 1 Exhaust for Harley Touring

SHARKROAD 2 Into 1 Exhaust for Harley Touring

Highlighted Features:

  • Produces a deep and powerful rumble sound
  • 2-in-1 exhaust pipes with different diameters for amazing performance
  • Heatshield reduces up to 70% exhaust temperatures generated with its full-coverage
  • Includes oxygen sensor ports, muffler, headers, and replaceable end caps at a good value
  • Compatible with a wide range of touring models like Road King and Street Glide

For the best true duals for street glide, you can get this SHARKROAD 2 Into 1 Exhaust. It is designed to fit a wide range of Street Glide CVO models, Road King Police, and even Road Glide touring models. And thanks to its full-coverage heat shields, you can be sure your bike will run cooler, thereby protecting your feet from extreme exhaust heat.

Having said that, you will also love the fact that this exhaust has a nice sound. Most users find the sound quite aggressive and loud compared to what you get from a stock exhaust. In addition, it boasts a black finish that gives your bike a clean look as opposed to chrome, which is what most products offer.

Additionally, the system comes with 2-into-1 pipes that feature different diameters for enhanced performance. The small pipe is 1.75” in diameter while the other pipes are 2.5” and 3.0” respectively. You will also be happy to know that this product is relatively light in weight yet strong compared to stock exhausts. This is because it is constructed from 16-gauge steel, which is a more durable material.

On the flip side, though, you don’t get any instruction manual. So, it might take you longer to install the exhaust. On the brighter side, the manufacturer does provide you with all the mounting hardware. And overall, most users say that the system is easy to install.

4. Vance and Hines 16672 Slip-On Exhaust

Vance and Hines 16672 Slip-On Exhaust

Highlighted Features:

  • Provides an all-mechanical straight baffle design for generating increased power
  • Large 4-inch diameter muffler body ensures more power at high RPMs
  • Full-coverage heat shield for long-lasting durability and superior protection
  • Slip-on design makes it easy to install and provides more horsepower
  • The chrome finish gives your bike a stylish look

Here is yet another true dual exhaust Harley touring from the Vance and Hines brand. What stands out about this product is its distinctive chrome slip-on design with a twin slash end treatment that gives it a classic look. Therefore, it is sure to look good on most touring models.

And when it comes to sound, you will not be disappointed. Compared to your stock pipes, it offers a rich throaty sound that is a little louder but not too loud to set off your car alarm. You will also be pleased to learn that the exhaust comes ready to install with precise instructions. In 30 minutes or less, you will probably be done.

Something else you will love about this product is its large 4-inch diameter muffler body. As a result, you can expect an improved performance of your bike and better sound. However, the large diameter means that the exhaust is only compatible with 2017 and 2018 touring models, including Road King, Roadglide, and Street Glide.

Further, this unit boasts full-coverage heat shields designed to protect its chrome slip-on from heat damage. More so, it helps ensure you have a great riding experience by protecting you from exhaust heat. On top of that, the product is built to be light in weight to ensure it does not weigh your bike down or even affect its handling.

5. Bassani Xhaust True-Dual Headpipes

Bassani Xhaust True-Dual Headpipes

Highlighted Features:

  • 1-3/4-inch diameter head pipes offer a boost in your bike’s performance
  • Compatible with Bassani mufflers and most 95-16 OEM-style aftermarket mufflers
  • Heat shields offer full coverage for maximum protection against extreme exhaust temperatures
  • Fitted with 12mm and 18mm oxygen sensor ports and plugs
  • High-quality chrome finish to give your bike a stylish look

Need a true-dual exhaust that provides you with both sound and performance gains while still looking stylish? You can check out this Bassani Harley Davidson dual exhaust. Like most systems, this unit also boasts a chrome finish that is sure to look good on your bike. And for a clean look, the right-side pipe is designed to follow the same clean lines as the frame.

Additionally, the Bassani Xhaust True-Dual Headpipes system is outfitted with a 1-3/4” diameter head pipe to provide you with just the right horsepower for enhanced performance. On the flip side, though, you might find the pipes a little heavy since they are made from stainless steel materials.

Another thing that we love about this exhaust system for Harley is that it comes with heat shields to boost your engine’s horsepower and torque by ensuring heat remains inside. The shields also protect you from exhaust heat so you can enjoy a comfortable ride. Even better, each unit comes with oxygen sensor ports to provide you with optimal gas mileage.

More importantly, the system comes with all the necessary mounting hardware you will need to have it installed. You also get clear installation instructions so you can easily install it. Therefore, if you own a 2006-2016 Touring model, you will find it to be a great fit for your bike. You will also love its unique sound, which most users seem to agree it’s amazing.

6. Vance & Hines Dresser Duals Exhaust 16799

Vance & Hines Dresser Duals Exhaust 16799

Highlighted Features:

  • Fitted with 1-3/4-inch head pipes that offer a boost in performance and sound
  • Available in black or chrome finish for head-turning looks
  • Compatible with any muffler from Vance & Hines, including stock slip-on
  • 2-1/8-inch heat shields provide full coverage and protect your chrome finish
  • Ported for oxygen sensors if you would like to install the sensors

Vance & Hines are one of the biggest names in true dual exhaust pipes for Harley. This explains the reason why you continue to see most of their products in this review. When it comes to this particular system, you will love the fact that it is available in chrome and black finishes. Therefore, you will be able to choose the style that best compliments your bike’s looks and design.

On top of that, the exhaust is outfitted with 1-3/4” diameter head pipes. Not only do the large-diameter pipes allow you to enjoy a throaty sound but also boosted performance and torque. And when compared to stock exhausts, you will find this product is light in weight, thereby making it easy to handle your bike.

The dual-exhaust also incorporates a 2-1/8” heat shield that offers full coverage to protect both you and your pipes from exhaust heat. Basically, it can reduce temperatures up to 220 degrees Fahrenheit. As a result, you won’t have to worry about your chrome finish getting discolored.

In terms of fitment, the exhaust is compatible with most 1995-2008 touring models such as the Road Glide, Electra Glide, and Road King. Installing the system is also pretty easy although the installation instructions are a bit vague.

7. Vance & Hines Power Duals Exhaust 46871 Black

Vance & Hines Power Duals Exhaust 46871 Black

Highlighted Features:

  • Integrated with an exclusive power chamber that generates so much horsepower
  • Includes 250deg. F full-coverage heat shields to eliminate heat issues
  • Fitted with dual bung ports for installing 12mm and 18mm oxygen sensors
  • 1-3/4-inch diameter head pipes enhance the performance of your bike
  • Can be paired with any slip-on mufflers by Vance & Hines

If you are looking to get more horsepower and torque over stock for your Harley bike, you might want to consider this incredible exhaust. You see, this unit incorporates a power chamber that is hidden behind the heat shields to provide you the best performance. It also comes with dual-bung oxygen sensor ports featuring different diameters. As such, you can use it with aftermarket tunes.

Designed to provide a unique look, the product boasts an awesome-looking black finish along with contoured heat shields. So, regardless of the design of your Harley touring bike, this exhaust will surely take its looks to another level.

And you know what the best part is? This product is also fitted with 1-3/4-inch diameter pipes that fit very well and produce a great sound too. Even better, the pipes help deliver maximum torque to your bike’s engine for increased performance. Besides the pipes, you also get full-coverage heat shields designed to cut down your exhaust temperatures up to 250 deg. Fahrenheit. 

But how is the fitment and installation of this product? Well, this lightweight exhaust can fit 2017-2020 touring models. But for Trike models, you will need to use a Trike adaptor kit, which is sold separately. And when it comes to installing this unit, it is quite easy to do so whether you have done it before or not.

8. Rinehart Racing Xtreme True Duals for Harley Touring

Rinehart Racing Xtreme True Duals for Harley Touring

Highlighted Features:

  •  Equal-length head pipes with a 1-3/4-inch diameter offer excellent performance
  • Unique stepped header design delivers a boost in horsepower and torque
  • Fitted with 12mm and 18mm oxygen ports for easy placement of dyno tuning
  • Compatible with 3.5 and 4-inch mufflers, which can be accessorized with end caps
  • Laser-cut heat shields offer maximum coverage to ensure a comfortable ride

This is one of the most expensive products in this review and for good reasons. So, if you don’t have a tight budget, you should definitely get this Harley true dual exhaust kit. For starters, you will love the fact that this is a full system. This means that besides the exhaust, you also get gaskets, both headers, and slip-on mufflers.

However, one of the things that really stands out about this product is its head pipes. You see, it incorporates equal-length pipes with a 1-3/4-inch diameter. As a result, this ensures your bike’s engine receives the same gas pressure for optimum performance. You will also love the incredibly deep and good sound the pipes produce.

On top of that, it boasts a stepped header and lightweight design that enables your bike to operate efficiently and at peak performance. And when it comes to looks, you will be able to customize your ride with either chrome or black mufflers plus end caps. You are also going to love how easy it is to install this exhaust system on various 2009-2016 touring models.  

Something else that you should know is that this kit is also equipped with laser-cut heat shields designed to provide your pipes with full coverage. Basically, what the shields do is route hot exhaust gasses away to protect you and your bike’s vital engine components. And as a result, you get to enjoy a comfortable ride.

9. Power Curve True-Dual Crossovers 11215A

Power Curve True-Dual Crossovers 11215A

Highlighted Features:

  • Rear head pipes boast patented matched-length design to ensure even performance
  • Comes with 3 custom-fit heat shields that offer maximum protection against extreme exhaust heat
  • Equipped with 12mm and 18mm oxygen sensor ports and plugs
  • Accepts 4” mufflers by the Bassani brand or any OEM-style mufflers
  • Boats removable flow-through baffles in case you would like the pipes to be louder

Here is yet another set of high-quality Harley Davidson true dual exhaust featuring a 1-3/4-inch diameter. Even better, the head pipes boast an equal length design to ensure you get equal torque from each cylinder for optimal performance. And according to different users, the pipes also produce a great sound with a deeper tone.

Aside from that, the product boasts a show-quality chrome finish designed to give your bike a high-end and stylish kind of look. It is also fitted with three custom-fit heat shields to keep exhaust heat away from the engine’s components for maximum durability. The shields will also protect you and any passenger you will be carrying from the exhaust temperatures.

Another thing that we love about this system is its ease of installation. This is because it comes with everything you might need to get it installed, including a support bracket and cable tie wraps. On top of that, it boasts direct bolt-on replacement for most stock head pipes. And when it comes to fitment, you will be pleased to learn that you can install the exhaust on various 1995-2008 touring models.

For added durability, this exhaust system is constructed from 16-gauge steel. However, the pipes may not be as lightweight as those made from materials like aluminum and carbon fibers. The good news is that they are not too heavy to weigh down your bike or affect its handling.

10. Vance & Hines True Dual Exhaust System – 16893

Vance & Hines True Dual Exhaust System - 16893

Highlighted Features:

  • 2-1/2-inch slip-on full-coverage heat shields provide a comfortable ride
  • Perfect fit for most Harley Softail 2012-2016 touring models
  • Slip-on design makes the exhaust easy to install in just a couple of hours
  • 2-1/8-inch head pipes offer unmatched performance and deep Harley rumble sound
  • Chrome finish to enhance the durability of the exhaust and the looks of your bike

Yet another Vance & Hines product that made it to our list of the best true dual exhaust for Harley touring. This is an incredible system if you are looking for a high-performance true dual system to enhance the nostalgic look of your Softail bike. Basically, it is designed to fit 2012-2017 Softail touring models, including the Fat Boy, Classic, Deluxe, and convertible.

Additionally, the unit features 2-1/2-inch slip-on heat shields to provide your bike’s head pipes with maximum coverage. According to the manufacturer, these shields can reduce exhaust temperatures up to 220 degrees. So, you don’t have to worry about the chrome finish turning blue in color as a result of excess heat.

However, while most true dual exhaust systems for Harley boast 1-3/4-inch diameter head pipes, this product is different. It is fitted with 2-1/8-inch diameter pipes that are also relatively lightweight to provide you with a top-end performance at both low and high RPMs. And because of the large pipes, you can expect the exhaust to deliver great sound similar to that of louvered core baffles.

In terms of design and looks, this unit features a straight-cut tip design that gives your bike’s engine a stronger and hearty sound. And like most products, this unit also incorporates a chrome finish for a modern and classic look. The best part is that the exhaust boasts a slip-on design. Therefore, you should not have problems installing it at all.

What to look for before buying?

At first glance, you might think that all Harley Davidson dual exhaust systems are the same. After all, they are built to do the same job, which is to enhance your bike’s performance. However, this is not the case because some exhaust brands have more premium features than others. For this reason, we are going to discuss some of the features to look out for before buying your road king true dual exhaust.

Heat shields

One of the first things to consider is whether your exhaust comes with heat shields. Besides that, you should consider if the shields offer full coverage or not. An exhaust system with full-coverage shields will protect you from exhaust heat, which can be very uncomfortable. So, with this feature in place, you are guaranteed a comfortable riding experience.

TRUE DUAL EXHAUST FOR HARLEY

In addition, you might want to consider the degree to which the shields can minimize the exhaust temperatures. Some products can reduce the temperatures up to 200 degrees Fahrenheit or more. This can come in handy in prolonging the life of your engine components.

Compatibility

When choosing the best headers for Harley touring, you must consider if it is a good fit for your specific touring model. This is because an exhaust that is designed to fit your street glide may not be compatible with a road king model.

Besides that, you have to take into account the model year of your bike. Because if a product is designed for a 1995-2010 street glide and you have a 2012 model, then it will not fit your bike.

Head pipes diameter

As a crucial consideration, the diameter of the head pipes plays a key role as far as your bike’s exhaust performance is concerned. Generally, large diameter pipes tend to improve the flow of exhaust gasses, thereby resulting in increased engine performance. However, if the pipes are too big, they might hurt your bike’s performance.

TRUE DUAL EXHAUST FOR HARLEY

For this reason, we recommend going for exhaust systems with at least 1-3/4-inch diameter head pipes. Anything less than this, you might not get as much horsepower as you would like from your system.

Sound

If one of the reasons you are upgrading to a true-dual exhaust system is to get better sound, then you have to consider this factor. However, the diameter of the pipes is what determines the kind of sound you get from your exhaust.

So, if you want a bit deeper sound, you should consider a product with wider pipes. Also, the size of the muffler can determine how loud your exhaust will be. Generally, if your bike is using a small-sized muffler, you can expect a louder sound with a rich tone.

Ease of installation

If you plan to install the exhaust system all by yourself in order to save on costs, finding a product that is easy to mount is important. Such a product should at least come with clear instructions and all the necessary mounting hardware. The best way to know if an exhaust is easy to install is to check out what other users are saying. So, be sure to go over as many customer reviews as possible.

Design

This might not be a very critical factor to consider since most true dual exhausts for Harley feature either chrome or black finish. However, depending on the style of your bike, you might want to choose a system that matches its design. And if you want to give your bike a more stylish look, you can choose a product that comes with chrome or black end caps.

What is the difference between true dual exhaust and dual exhaust?

Just like a true dual exhaust, the dual exhaust also features two separate manifolds. So, what is the difference between the two systems? Well, the main difference lies in the design of their head pipes. You see, for true dual exhaust, the two pipes are designed to run side by side with separate mufflers all the way back. Simply put, the pipes don’t merge anywhere to become one as they run straight.

TRUE DUAL EXHAUST FOR HARLEY

On the other hand, dual exhaust systems usually utilize an X-pipe or H-pipe design. This means that while it uses two separate pipes near the end of the exhaust, the pipes tend to meet up at some point to form a single head pipe. In other words, a dual exhaust forms a crossover between the two pipes, which helps control backpressure.

True Dual Exhaust vs x-pipe vs y-pipe

For true dual exhaust systems, you will find that their head pipes run straight out to the back. In other words, you will have one pipe on one side of your bike with its separate muffler and the other pipe on the other side. 

However, it is still possible to feed your true dual exhaust into and out of an X-pipe for enhanced performance. Therefore, when compared to x-pipe and y-pipe, true dual exhausts produce more horsepower.

When it comes to X-pipe, you will find that the two sides of your exhaust system are merged instead of just being connected. This allows the exhaust gas to easily flow into both pipes for increased power. So, when compared to y-pipes, x-pipes are slightly more powerful and produce a louder sound.

Y-pipe design, on the other hand, is quite common with single and dual exhaust systems. Basically, y-pipes are designed to connect together right after your exhaust’s manifolds and before the catalytic converter. So, in the case of the dual exhaust, you will have a balance pipe that merges the right and left head pipes to form a y-shape.

FAQs

In this section, we are going to respond to some of the questions you might have about the Harley Davidson true dual exhaust systems. We hope this helps you make an informed buying decision.

1. What is the advantage of true dual exhaust on a Harley?

The main advantage is that it allows you to get any leftover gasses out of your engine faster. As a result, this ensures the next exchange happens as fast as possible, thereby creating more horsepower. More so, it gives you the privilege to customize your exhaust’s sound.

2. How much HP will true dual exhaust add?

A good dual exhaust can provide you with more than 30 horsepower, which is impressive. But if you upgrade to a true dual system, you can expect an increase of about 15 to 20% in horsepower, which should be around 50 to 60 hp. And if you add headers, you can get another extra 20hp.

3. Is true dual exhaust louder?

Yes. Compared to most types of exhaust systems like single and dual exhaust, true dual exhausts are relatively louder thanks to their straight-pipe design. Their sound also tends to have a deeper tone because their head pipes have a larger diameter.

4. Does dual exhaust increase torque?

The answer is a yes. By using two separate head pipes, your dual exhaust allows your bike’s engine to breathe better since more exhaust gas can leave the engine faster. This in return significantly increases your bike’s torque and horsepower.

5. Is true dual exhaust better than single?

Overall, it is and in so many ways. For instance, a true dual exhaust will give you a significant power gain compared to a single exhaust because the exhaust gasses in each manifold usually exit through two pipes instead of one. In addition, you can expect an increase in gas mileage, thereby allowing you to save money.

6. Do True Duals increase power?

A true dual exhaust is designed to offer each exhaust manifold and head its own separate exit. As a result, you find that there are double the amount of exhaust gasses being forced out of your bike’s engine. Consequently, this helps increase your bike’s power.

7. How much does it cost to get a true dual exhaust?

The prices vary from $400 to $1200 depending on what is included in the kit. For instance, a unit that includes only the exhaust and mounting hardware will cost you between $400 and $500. However, if you decide to buy a system that comes with the exhaust, oxygen sensors, and even a set of mufflers, the price could go up to $1200.

8. Is dual or single exhaust better?

It depends on your preferences because each has its own pros and cons. For instance, a single exhaust is relatively cheaper and lighter in weight compared to its dual counterpart. It also boasts a higher gas velocity.

However, the dual exhaust is more powerful since it utilizes two head pipes instead of one pipe like a single exhaust. As such, it offers increased exhaust flow and more performance gains. So, overall, a dual exhaust seems to be better than a single exhaust in terms of performance.

9. Does dual exhaust increase gas mileage?

A dual exhaust system is designed to reduce back pressure with its head pipe design. Not only does this help save energy to sustain your bike but also increases your bike’s engine efficiency for enhanced gas mileage. Therefore, you will be able to get more out of every tank. However, a clogged muffler in your dual exhaust may reduce the gas mileage.

10. Do exhaust tips change the sound?

Yes, depending on the size of the tip. For instance, a normal exhaust tip may not have any significant effect on your exhaust’s sound. A small tip, on the other hand, will make your exhaust’s sound a bit raspy while a larger tip will give your bike’s engine a more powerful and hearty sound. However, the tip will not make your exhaust any louder.

11. What causes droning in the exhaust?

Well, there are so many potential causes for exhaust droning. However, in most cases, droning in exhaust occurs when your bike’s engine sound is the same as that of the exhaust, thereby creating a pressure wave. That said, you will find that this issue is quite common among X-pipe exhaust systems.

Final Words

Overall, the best true dual exhaust for Harley will provide you with more horsepower and torque compared to most exhaust systems. 

However, to find the best exhaust, you must look out for features like the diameter of the pipes, fitment, installation, and even heat shields. More so, you should know the difference between a true dual exhaust and dual exhaust.

Having said that, the Cobra True Dual Headpipes 6250 is in our opinion the overall best true dual exhaust system for your Harley. 

This is because it is relatively affordable, comes with large diameter pipes and full-coverage heat shields for top-end performance. However, if you have a 2009-2016 touring model and looking to get more power out of your bike, the Vance & Hines Power Duals Exhaust is an excellent product

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