ALL ENGINE

Features Stripped down styling Aggressive sound Includes removable dB Reducer Qualified Manufacturer Declared Replacement Part on all '17-'19 mode...

Features Classic slash cut styling Stripped down styling Aggressive sound Made in USA! NOTE Qualified manufacturer declared emissions replacemen...

Features Classic slash cut styling Stripped down styling Aggressive sound Made in USA! NOTE Qualified manufacturer declared emissions replacemen...

Features Up to 12% more horsepower and 6% more torque (when used with Stealth Air Cleaner Kit) Deep performance rumble replaces stock whisper tone...

Features Up to 17% more horsepower and 9% more torque (when used with Stealth Air Cleaner Kit) Race-inspired design Stainless Steel perforated baf...

Features Classic Slash Cut styling All hardware and gaskets included Deep performance rumble replaces stock whisper tone Removable dB reducer incl...

Features Classic Slash Cut styling All hardware and gaskets included Deep performance rumble replaces stock whisper tone Removable dB reducer incl...

Features Race inspired Grand National endcap design All hardware and gaskets included Deep performance rumble replaces stock whisper tone Removabl...

Features Race inspired Grand National endcap design All hardware and gaskets included Deep performance rumble replaces stock whisper tone Removabl...

Features Race inspired Grand National endcap design All hardware and gaskets included Deep performance rumble replaces stock whisper tone Removabl...

Features Give your M8 a true V-Twin rumble without a full system 4.5" slip-on with premium fit, finish, sound and power Unique louvered baffle del...

Features Give your M8 a true V-Twin rumble without a full system 4.5" slip-on with premium fit, finish, sound and power Unique louvered baffle del...

Features Classic slash-cut styling Boost horsepower and torque Removable dB reducer SAE J2825 Sound Level Compliant S&S engineered high-flow c...

Features Classic slash-cut styling Boost horsepower and torque Removable dB reducer SAE J2825 Sound Level Compliant S&S engineered high-flow c...

Features Improved horsepower and torque (when used with a Stealth Air cleaner kit; sold separately) Race-inspired design Removable dB reducer for ...

Features Improved horsepower and torque (when used with a Stealth Air cleaner kit; sold separately) Race-inspired design Removable dB reducer for ...

Features Improved horsepower and torque (when used with a Stealth Air cleaner kit; sold separately) Race-inspired design Removable dB reducer for ...

Features Bold 4-1/2" design with stainless steel baffle & RaceTEX packing Produces a deep bass rumble throughout the RPM range 50-state legal ...

Features Bold 4-1/2" design with stainless steel baffle & RaceTEX packing Produces a deep bass rumble throughout the RPM range 50-state legal ...

Features Bold 4-1/2" design with stainless steel baffle & RaceTEX packing Produces a deep bass rumble throughout the RPM range 50-state legal ...

Features Bold 4-1/2" design with stainless steel baffle & RaceTEX packing Produces a deep bass rumble throughout the RPM range 50-state legal ...

Features Mk45 4-1/2" Touring Mufflers are the result of decades of riding, racing and tuning Combines both a stainless steel baffle and RaceTEX ca...

Features Mk45 4-1/2" Touring Mufflers are the result of decades of riding, racing and tuning Combines both a stainless steel baffle and RaceTEX ca...

Features Mk45 4-1/2" Touring Mufflers are the result of decades of riding, racing and tuning Combines both a stainless steel baffle and RaceTEX ca...