Mufflers & Silencers

4-1/2 inch body tapers to 4 inch round at the front. 4-1/2 inch machined aluminum, thin-line tip. 3 inch core for superior performance. Acoustical engineering developments allow an incredibly deep sound because of intense, class-leading resonance...

These novel 4-inch muffler bodies feature advanced acoustical tuning technologies for a deep rumbling sounds. The 4-inch round muffler front expands just aft of the steel clam shell clamp to 4.5-inches diameter. With its unique strap the Race Pro looks...

Black power-coated megaphone body with rolled steel end surrounds the inboard machined tip The aluminum cap and the steel badge are dusted with a translucent lollipop red powder coating Muffler provides more than a 5.5% horsepower gain 50-State...

Our 4-inch slip-on mufflers for are beloved by editors and real-world riders alike. That's because Cobra slip-ons provide increased horsepower and torque with a deeper, more aggressive exhaust note. The 4-inch muffler body has proprietary technology...

Designed specifically for Harley's big trikes 3.75" muffler bodies are capped off with machined 3" radial slash-cut aluminum tips that step up to the bodies via a mild, yet graceful bevel This configuration allows the Cobra tips to have...

Designed for maximum torque and power across torque curve Features a durable 16 gauge steel body with a lightweight aluminum rear end cap Includes U.S.F.S. approved, removable screen-type spark arrestor; replacement spark arrestor sold separately ...