Mufflers & Silencers

Mk45 Slip-On Mufflers are the result of decades of riding, racing and tuning Combining both a stainless steel perforated core baffle with Race-TEX cartridge packing, they create a deep rumble and...

Up to 12% more horsepower and 6% more torque (when used with Stealth Air Cleaner Kit) Deep performance rumble replaces stock whisper tone Race inspired Grand National endcap Removable dB...

Classic Slash Cut styling All hardware and gaskets included Deep performance rumble replaces stock whisper tone Removable dB reducer included Made in USA!

Race inspired Grand National endcap design All hardware and gaskets included Deep performance rumble replaces stock whisper tone Removable dB reducer included Made in USA!

Improved horsepower and torque (when used with a Stealth Air cleaner kit; sold separately) Race-inspired design Removable dB reducer for back pressure and sound tuning Meet J2825 levels for...

Race inspired Grand National endcap design All hardware and gaskets included Deep performance rumble replaces stock whisper tone Removable dB reducer included Made in USA!