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Dirt biking is not a quiet sport! Revving the engine as you tear down trails and tackle different terrains is all part of the experience. Some people really want to maximize the volume they get out of their 2-stroke dirt bike and there are a few elements that play a role in this.
The exhaust system is one of the biggest contributing factors to how loud a dirt bike is. This can serve to dampen or enhance the bike’s sound, depending on the type of exhaust you get and the bike you pair it with. The options below are some of the best 2-stroke dirt bike exhaust systems if your priority is to create a loud, powerful sound.
Loudest 2-Stroke Dirt Bike Exhaust Systems
| Product Name | Brand | Fitment | Universal? * | Price Range |
|---|---|---|---|---|
| Vance and Hines Down Pipe | Vance and Hines | Honda, Husqvarna, Kawasaki, Suzuki, and Yamaha and more. | Yes | $1000-$1,300 |
| Rocket Exhaust | Rocket Exhaust | Kawasaki, Yamaha, Honda, and more. | Yes | $400-$700 |
| Pro Circuit Platinum Pipe | Pro Circuit | Beta, Cobra, Honda, Husaberg, Husqvarna, Kawasaki, KTM, Suzuki, and Yamaha. | Yes | $200-$300 |
| FMF Fatty Pipe | FMF | Beta, Honda, Husaberg, Husqvarna, Kawasaki, KTM, Suzuki, and Yamaha. | Yes | $200-$300 |
| Universal 3M Steel Dirt Bike 2-Stroke Core Kit | Supertrapp | Any bikes with compatible exhaust inlet diameters. | Yes | $100-$200 |
An exhaust system can make or break your riding experience, so it’s important to get one that’ll fit your goals. If you’re looking for a 2-stroke exhaust system that will make your bike louder (or at least not muffle it) you should be happy with the 5 options below.
Keep in mind that bike volume will vary depending on your speed, whether or not you’re idling, and the conditions you’re driving through. Exact sound measurements are hard to come by, but each of the exhaust systems on this list should give your bike a volume of at least 90 decibels when its engine is being revved.
1. Vance and Hines Down Pipe
Price Range: $1,000-$1,300
Sample Decibel Rating: N/A
Compatibility: Honda, Husqvarna, Kawasaki, Suzuki, and Yamaha and more.
Vance and Hines recently absorbed the popular brand White Brothers, which has led to a lot of success for the company. They were able to access a new lineup of off-road and exhaust systems, which made it easier for them to perfect and market this technology.
White Brothers were already fairly well known for making loud exhaust systems, so some of that fame now belongs to the Vance and Hines name. They can charge more than other brands as a result of this brand recognition.
As you can see from the comparisons above, their exhaust systems are in the $1,000 range, while others are in the hundreds. This may not be the most affordable exhaust system, but it should deliver on volume and sound quality.
Customers have remarked that they view White Brothers/Vance and Hines as a brand that can deliver on the promise of a nice loud exhaust system (source).
Their exhaust systems are compatible with a variety of powerful motorcycles and dirt bikes, so these are designed to work with loud 2-stroke engines. Their products are compatible with certain models of Honda, Husqvarna, Kawasaki, Suzuki, and Yamaha dirt bikes.
Visit vanceandhines.com for a full view of their compatible bike parts.
2. Rocket Exhaust
Price Range: $400-$700
Sample Decibel Rating: 109 Decibels
Compatibility: Kawasaki, Yamaha, Honda, and more.
When paired with some bikes, the volume of this exhaust system was measured at almost 110 decibels! This might break the sound limits of certain tracks and city ordinances, so make sure you understand that before choosing something from the Rocket lineup!
This exhaust system is mainly compatible with many different 2-stroke makes and models. If you’re looking for a way to amp up the sound of your bike, this could be a good way to do it!
One owner noted, ”While Rocket does offer AMA-legal cans, the exhaust I used was the standard model. That means that this system was definitely a bit louder than the standard exhaust.” (source)
The Rocket exhaust system is made from a mixture of aluminum and stainless steel and they come with carbon-fiber end caps. The exhaust cans also come in a variety of lengths. The length of the exhaust pipe can sometimes affect sound quality, so this range of options is nice to have.
Visit rocketexhaust.com to check for product availability and additional information.
3. Pro Circuit Platinum Pipe
Price Range: $200-$300
Sample Decibel Rating: 96
Compatibility: Beta, Cobra, Honda, Husaberg, Husqvarna, Kawasaki, KTM, Suzuki, and Yamaha.
If you’re looking for a trustworthy exhaust pipe that can produce a nice loud noise, keep the Pro Circuit Platinum Pipe in mind! Dirt bikes that have been outfitted with this exhaust system have registered at 96 decibels under some circumstances.
Of course, every exhaust system is only as good as the bike it is attached to. This exhaust pipe is compatible with a range of brands, models, and years of dirt bikes, making it a universal model. This pipe can fit dirt bikes made by Beta, Cobra, Honda, Husaberg, Husqvarna, Kawasaki, KTM, Suzuki, and Yamaha.
This pipe is made with hand-welded seams and a collection of reinforced mounting brackets. At purchase, customers can also choose to add a 1, 2, or 3-year warranty. This exhaust system won’t quit anytime soon, but a little extra protection never hurts.
Visit motosport.com if you’re interested in more information about the Pro Circuit Platinum Pipe.
4. FMF Fatty Pipe
Price Range: $200-$300
Sample Decibel Rating: N/A
Compatibility: Beta, Honda, Husaberg, Husqvarna, Kawasaki, KTM, Suzuki, and Yamaha.
The FMF Fatty Pipe is another great 2-stroke exhaust system. In many ways, it is quite similar to the Pro Circuit Platinum Pipe. Both of them are universal and can fit with a variety of dirt bike makes and models.
The Fatty pipe is designed to add power and improve the throttle control for the rider. A lot of riders absolutely love the fatty pipe. Customers often rave about the power and great sound it produces (source).
The FMF Fatty pipe can be installed in 2-stroke dirt bikes manufactured by Beta, Honda, Husaberg, Husqvarna, Kawasaki, KTM, Suzuki, and Yamaha. It’s a good all-around option that also comes with the protection of a 1, 2, or 3-year warranty.
Visit motosport.com for more details, customer reviews, and up-to-date pricing.
5. Universal 3M Steel Dirt Bike 2-Stroke Core Kit
Price Range: $100-$200
Sample Decibel Rating: N/A
Compatibility: Any bikes with 0.88”(22.2mm), 1.00”(25.4mm), 1.13”(28.6), 1.25”(31.8mm), 1.38″(34.9mm), 1.50”(38.1mm), 1.63”(41.3mm), 1.75”(44.5mm) or 2.00”(50.8mm) exhaust inlet diameters.
Interestingly, this product works for both 2-stroke and 4-stroke dirt bikes. That makes it even more universal!
If you buy a 2-stroke kit, it will come with 8 discs. These discs are 3” and made with patented tunable technology that allows users to control the level of sound produced by the bike. The more discs you have, the louder the bike will be.
The Supertrapp brand has a good reputation for creating exhaust systems that produce a powerful sound. However, some bikers view them as a bit outdated and they are less common than other systems nowadays. Riders have had good experiences with these though and many will still highly recommend them if you’re looking for volume above all else.
Unfortunately, there are no concrete decibel ratings available for this system, but many accounts from users have shown that bikes with Supertrapp exhaust systems tend to be both loud and powerful! This is certainly a good option to consider.
For more information, visit supertrapp.com
The Loudest Stock Dirt Bikes You Can Buy
Some people aren’t interested in buying custom gear for their dirt bikes and would prefer to stick with a stock model. There’s nothing wrong with that and there are plenty of stock dirt bikes that will start loud and stay loud with no need for special exhaust systems.
Below are a couple of great 2-stroke stock dirt bikes that will produce nice volume and sound quality.
Yamaha YZ125
125 2-stroke engines are generally considered to be some of the loudest in the dirt biking world (source). The Yamaha YZ125 lived up to this hype and is known to deliver some serious volume on the track. The combination of the lightweight frame and the powerful engine has made this model a fan favorite for years.
It has produced 95 decibels in some tests, but could probably get even louder with the right fuel mixture, exhaust system, and rider.
You can view more information about it at yamahamotorsports.com
Honda CRF125F
Another 125 2-stroke engine comes from the Honda CRF125F dirt bike. Honda has had ups and downs with their history of making 2-stroke bikes, but it’s hard to deny that these were powerful and loud vehicles! They are described as being a bit hard to ride because they were “short and punchy” (source).
The company stopped manufacturing 2-strokes in 2007, but they seem to be making a comeback in recent years.
Check out the video below to see footage of a CR125 in action. It’s a pretty loud engine, and it has been paired with an FMF exhaust system to enhance the sound.
You can view more information about it at powersports.honda.com.
Husqvarna TE 300i
The TE 300i is the newest addition to the 2-stroke family at Husqvarna. This is a compact and powerful bike that builds upon the success of previous models.
Older models of the Husqvarna dirt bikes were known to produce a loud and powerful noise, so it makes sense that the newer 2-strokes would do the same. There are even reports of a TE510 that reached 130 decibels under certain conditions! (source)
The new bike is designed for peak performance on the track and is sure to be both comfortable and powerful.
You can view more information about it at husqvarna-motorcycles.com.
Tips to Make Your Exhaust Louder
Sometimes you might have a great stock bike or exhaust system, but you’re just not getting the volume that you’re looking for. Is there any way to enhance the sound yourself? Yes!
Below are a couple of methods you can try that could make your dirt bike louder. Just keep in mind that some of these methods might enhance the sound, but reduce the overall power. Sometimes the loudest bike isn’t the best for performance.
Tip #1: Remove Muffler
Many dirt bike exhaust systems come with a muffler attached. This dampens the sound of the engine and directs the heat of the exhaust. If you choose to remove the muffler, you probably will be able to enjoy a louder engine, but there may be other consequences.
Removing a muffler doesn’t noticeably improve the performance of your bike and it could actually cause more harm than good, especially by reducing engine torque.
An engine without a muffler is also more likely to backfire and you could end up burning your exhaust valves as well. To lesson the chance of burning your exhause valves, make sure to only remove the muffler and leave as much piping as possible attached to the engine’s exhaust port.
Tip #2: Remove Packing
Packing is the material that sits inside the exhaust core of your dirt bike. The layers of this material help absorb noise. Obviously, if your goal is to be as loud as possible, the packing will get in the way of this.
Packing should generally be replaced after it starts to wear out (usually at about 20 hours of riding) but if you let it wear down and don’t replace it, your bike is sure to get louder. If you aren’t willing to wait for your bike to naturally get louder, you can remove the exhaust core tube and pull out the packing yourself.
Although you can make a dirt bike louder by removing the packing, it might not be the healthy kind of volume you’re looking for.
Remember, just because something sounds loud, that doesn’t mean it sounds good.
