We researched and compared the loudest motorcycle exhausts on the market using manufacturer specifications, published industry sound level data, and aggregated owner feedback from thousands of reviews. Our evaluation focuses on raw volume, build quality, ease of installation, and real-world durability. Whether you want a deep rumble or an ear-splitting scream, we have picks for every style of rider.
| Photo | Product | Score | Buy |
|---|---|---|---|
 |
Vance & Hines Big Radius 2-Into-1 Top Pick 2-into-1 design, 2.5 inch diameter baffles, stainless steel construction |
9.2 | 🛒 Check Price |
 |
Two Brothers Racing M-2 Carbon Fiber Best Sound Carbon fiber sleeve, removable baffle, 2.0 inch core |
8.8 | 🛒 Check Price |
 |
Akrapovic Slip-On Exhaust Titanium Premium Build Titanium muffler, carbon fiber end cap, EC approved |
9.0 | 🛒 Check Price |
 |
Yoshimura R-77 Slip-On Best Value Stainless steel mid-pipe, aluminum muffler, dual outlet |
8.4 | 🛒 Check Price |
 |
Cobra Speedster Slashdowns Classic Style Slash-cut tips, dual exhaust for V-twins, baffles included |
8.1 | 🛒 Check Price |
 |
D&D Racing Exhaust Slip-On Track Ready Straight-through design, aluminum canister, 2 inch core |
7.8 | 🛒 Check Price |
 |
FMF Powercore 4 Slip-On Dual Sport Choice Stainless steel header, aluminum muffler, spark arrestor |
7.3 | 🛒 Check Price |
1. Vance & Hines Big Radius 2-Into-1: Top Pick
The Vance & Hines Big Radius 2-Into-1 is a top choice for riders who want a loud, deep rumble without sacrificing performance. In our research, owner feedback consistently praises its throaty idle and clean, full-system power increase. The 2.5 inch baffles and stainless steel construction ensure longevity, though the ceramic coating can chip if not cared for.
However, this exhaust is not for everyone. The sheer volume may attract unwanted attention from law enforcement, and some owners report a droning sound at highway speeds. Riders seeking a quieter option or those with noise-sensitive neighbors should look elsewhere. It is best suited for cruiser and touring enthusiasts who prioritize a commanding presence.
- Produces a deep, thunderous idle that turns heads.
- Full system improves mid-range torque and horsepower.
- High-quality stainless steel with ceramic coating resists corrosion.
Pros: Aggressive, race-inspired sound.; Noticeable performance gains on dyno sheets.
Cons: Can be too loud for some neighborhoods or track days.
2. Two Brothers Racing M-2 Carbon Fiber: Best Sound
The Two Brothers Racing M-2 Carbon Fiber exhaust delivers a distinctive, high-pitched roar that sportbike riders love. Our evaluation of owner reviews shows it is one of the loudest options when the baffle is removed, producing a crisp, aggressive note that cuts through traffic. The carbon fiber sleeve saves weight and looks premium, but it requires careful installation to avoid damage.
That said, the M-2 may not suit everyone. The carbon fiber is less durable than stainless steel in a crash, and the sound can become fatiguing on long rides. Riders who prefer a deep rumble or need a more subdued exhaust for daily commuting should consider other picks. It is ideal for track days and weekend warriors who want maximum volume.
- Sharp, aggressive tone with a high-pitched scream at full throttle.
- Carbon fiber construction reduces weight by over 30% compared to steel.
- Removable baffle allows tuning sound level from moderate to extremely loud.
Pros: Lightweight and race-bred sound.; Baffle removal increases volume dramatically.
Cons: Carbon fiber can crack if overtightened.
3. Akrapovic Slip-On Exhaust Titanium: Premium Build
The Akrapovic Slip-On Exhaust Titanium is a premium choice for riders who want a loud yet refined exhaust. In our research, it is praised for its deep tone that is not obnoxious but still turns heads. The titanium muffler and carbon fiber end cap are built to last, and the EC approval ensures it is legal in many regions.
However, the cost is significantly higher than many competitors, and the sound may not be loud enough for those seeking the absolute loudest option. Riders on a tight budget or looking for a raw, uncorked noise should look elsewhere. This exhaust is perfect for riders who value craftsmanship and a balanced sound profile.
- Deep, refined sound with a crisp bark on deceleration.
- Titanium and carbon fiber construction is both lightweight and durable.
- EC approval means it meets certain noise and emissions standards.
Pros: Exceptional build quality and fitment.; Smooth power delivery across the rev range.
Cons: Higher price point for similar performance.
4. Yoshimura R-77 Slip-On: Best Value
The Yoshimura R-77 Slip-On offers the iconic Yoshimura sound at a wallet-friendly price. Based on owner feedback, it produces a loud, deep tone that is especially satisfying during acceleration. The stainless steel mid-pipe and aluminum muffler keep weight low, and installation is straightforward with basic tools.
However, the aluminum outer sleeve may show heat discoloration after extended use, and some riders find the sound a bit too metallic at high RPM. Riders seeking a premium finish or a more refined note might prefer the Akrapovic. This is a solid choice for budget-conscious riders who still want serious volume.
- Classic Yoshimura sound: deep, aggressive, and loud.
- Dual outlet design gives a unique look and sound.
- Affordable price point for a reputable brand.
Pros: Excellent value for performance and sound.; Easy bolt-on installation.
Cons: Aluminum muffler can discolor over time.
5. Cobra Speedster Slashdowns: Classic Style
The Cobra Speedster Slashdowns are designed for V-twin cruisers seeking a classic, loud rumble. Our evaluation of owner reviews shows they produce a satisfying deep tone that is loud without being harsh. The chrome slash-cut tips look great on Harley-style bikes, and the removable baffles let you dial in the volume.
However, installation may require patience as the fitment is not always perfect out of the box. Some owners report needing to adjust mounting brackets. Riders with metric cruisers or those looking for a high-performance system might be disappointed. This is a great option for traditional cruiser enthusiasts who prioritize style and sound.
- Classic cruiser look with slash-cut chrome tips.
- Deep, throaty idle that rumbles the ground.
- Includes removable baffles to adjust loudness.
Pros: Authentic cruiser sound and appearance.; Baffles allow some sound customization.
Cons: Fitment can be tight on some models.
6. D&D Racing Exhaust Slip-On: Track Ready
The D&D Racing Exhaust Slip-On is for riders who want the absolute loudest option possible. In our research, it is a favorite among track day enthusiasts for its straight-through design that produces a raw, ear-splitting scream. The aluminum canister keeps weight low, but it is not built for durability in daily use.
That said, this exhaust has significant downsides. It is likely illegal for street use in many jurisdictions, and the sound can be unbearable for long rides. The aluminum is prone to dents and scratches. Riders who need a street-legal exhaust or want a more refined tone should skip this. It is best reserved for dedicated track bikes.
- Extremely loud, race-oriented sound.
- Straight-through design maximizes flow and noise.
- Lightweight aluminum construction.
Pros: Unmatched volume for track use.; Minimal weight addition.
Cons: Not street legal in many areas due to noise.; Aluminum canister can dent easily.
7. FMF Powercore 4 Slip-On: Dual Sport Choice
The FMF Powercore 4 Slip-On is designed for dual sport and enduro riders who want a louder exhaust for off-road adventures. Based on owner feedback, it delivers a sharp, aggressive tone that is significantly louder than stock, but it does not match the volume of street-focused systems. The spark arrestor is a plus for trail legality.
However, this exhaust may disappoint riders looking for extreme loudness on pavement. The fitment can be finicky, and the sound is more high-pitched than deep. Riders of pure street bikes or those seeking a thunderous rumble should look elsewhere. It is a solid choice for off-road enthusiasts who need a balance of noise and compliance.
- Loud, aggressive sound for dual sport and enduro bikes.
- Includes USFS-approved spark arrestor for off-road use.
- Repackable muffler extends service life.
Pros: Loud enough for off-road trails.; Spark arrestor included.
Cons: Not as loud as dedicated street exhausts.; Some owners report fitment issues on certain models.
Frequently Asked Questions
Will a loud exhaust damage my motorcycle engine?
No, a properly installed aftermarket exhaust will not damage your engine. However, if the exhaust is too free-flowing without proper fuel mapping, it can cause a lean condition that may lead to overheating or pre-ignition. Always consider a ECU tune or fuel controller when installing a full system to maintain safe air-fuel ratios.
Are loud motorcycle exhausts legal?
Legality varies by location. Many states and countries have noise limits for motorcycles, typically measured in decibels at a certain distance and RPM. Some exhausts come with removable baffles that allow you to reduce noise for street use. Check your local laws before purchasing to avoid fines.
How do I choose between a slip-on and a full system exhaust?
Slip-on exhausts replace only the muffler and are easier to install, offering a louder sound and minor performance gains. Full systems replace the entire exhaust from the headers back, providing greater weight savings and horsepower increases, but require more installation effort and often a tune. For maximum loudness, a full system with straight-through design is best.
Can I make my exhaust louder by removing the baffles?
Yes, removing or modifying the baffles will increase volume significantly. However, this may make the exhaust illegal for street use and can reduce performance if the backpressure drops too low. Some exhausts are designed with removable baffles, making it easy to switch between loud and moderate settings.
How do I maintain a loud exhaust to prevent rust and corrosion?
Regular cleaning with soap and water, and applying a protective coating like ceramic or high-temp paint, can extend the life of your exhaust. Stainless steel and titanium are more resistant to rust than mild steel or aluminum. Avoid using abrasive cleaners that can scratch the finish.
Our Verdict
After researching and comparing the loudest motorcycle exhausts, the Vance & Hines Big Radius 2-Into-1 takes the top pick for its thunderous sound, proven performance gains, and durable construction. The Two Brothers Racing M-2 Carbon Fiber is our runner up for riders who want a high-pitched scream and lightweight design. Both offer exceptional volume, but your choice should depend on your bike type and sound preference.
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