Exhaust for High Powered Harleys

Race-Proven Performance for 121-150+ cid builds. Powered by Burns' Engineered Collector and X-Design Technology.

SHOP Performance Exhaust Systems

Exhaust Engineering for Champions

For over 35 years, racers and engine builders have trusted Burns collectors and racing mufflers when performance is non-negotiable.

SHOP Racing Exhaust Products

The Foundation of Great Exhaust

Premium 304L stainless tubing and bends engineered for fabricators who refuse to compromise.

SHOP SS Tubing and Bends

Trending Products

Welded Flange Exhaust (WtF) for M8 135+ w/Ward HeadsWelded Flange Exhaust (WtF) for M8 135+ w/Ward Heads
Welded Flange Exhaust (WtF) for M8 135+ w/Ward Heads
From $2,525.00
34 reviews
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Mid-Control Performance (McP) for Harley M8 124+cid Touring with Mid-ControlsMid-Control Performance (McP) for Harley M8 124+cid Touring with Mid-Controls
Mid-Control Performance (McP) for Harley M8 124+cid Touring with Mid-Controls
From $2,476.00
34 reviews
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Velocity Scavenging Tech (VsT) for Harley M8 121-134cid TouringVelocity Scavenging Tech (VsT) for Harley M8 121-134cid Touring
Velocity Scavenging Tech (VsT) for Harley M8 121-134cid Touring
From $2,476.00
34 reviews
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NhB Exhaust for M8 Low Rider S / ST (LrS)NhB Exhaust for M8 Low Rider S / ST (LrS)
NhB Exhaust for M8 Low Rider S / ST (LrS)
From $2,476.00
34 reviews
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NhB Exhaust for M8 Softail (SfT)NhB Exhaust for M8 Softail (SfT)
NhB Exhaust for M8 Softail (SfT)
From $2,476.00
34 reviews
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Burns Big Momma (BbM) for Harley M8 135+cid TouringBurns Big Momma (BbM) for Harley M8 135+cid Touring
Burns Big Momma (BbM) for Harley M8 135+cid Touring
From $2,367.00
34 reviews
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Twin-Cam Bagger (TcB) for Harley 124+cid Twin Cam Touring BikesTwin-Cam Bagger (TcB) for Harley 124+cid Twin Cam Touring Bikes
Twin-Cam Bagger (TcB) for Harley 124+cid Twin Cam Touring Bikes
From $2,367.00
34 reviews
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2 Stage Quiet Mufflers2 Stage Quiet Mufflers
2 Stage Quiet Mufflers
From $745.35
No reviews
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Burns Stainless High Performance Megaphone Muffler
Megaphone Mufflers
$543.80
1 review
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Shop NhB Performance

High-Performance Exhaust for Harley-Davidson Motorcycles. M8 Touring, M8 Softail and Hi-Po Twin Cam Models.

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Shop Tubing and Bends

Straight, U-Bends, J-Bends, L-Bends, 45s, Merge Bends, Oval

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Stock up on the much needed hardware and supplies for exhaust builders.

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Ultra Light Stainless Mufflers, Collector Mufflers, Slips & Transitions

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Harley Drag Bike Build to 229 Horsepower

Jul 22, 2026

Harley drag bike build - See how Moonshine Harley built the 229-hp Noisy Boy drag bike and why serious Milwaukee-Eight race builds use the Burns Stainless WtF exhaust. Read More

Top 10 Mistakes Harley M8 Riders Make When Choosing a Performance Exhaust

Jul 14, 2026

Avoid 10 common Harley M8 exhaust mistakes and learn how tubing, collectors, dyno data and riding style shape real-world performance.

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Why Are Merge Collector Outlets So Small

Jul 07, 2026

Learn why merge collector outlets are often smaller than expected, how RPM affects collector Venturi size, and how to find the correct outlet for your engine. A properly sized collector outlet—often called the collector Venturi—can improve exhaust velocity and pressure-wa... Read More

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