Harley Mufflers

S&S CYCLE Grand National Race Mufflers for Softail Black 550-0737Race inspired Grand National endcap design, All hardware and gaskets included, Deep performance rumble replaces stock whisper tone, Removable dB reducer included, Made in USA!

S&S CYCLE Grand National Race Mufflers for Softail Chrome 550-0738Race inspired Grand National endcap design, All hardware and gaskets included, Deep performance rumble replaces stock whisper tone, Removable dB reducer included, Made in USA!

S&S CYCLE GNX Mufflers 4.5" Chrome 550-0991Give 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 delivers a rowdier tone, even with stock headpipes, S&S Racing heritage...

S&S CYCLE GNX Mufflers 4.5" Black 550-0990Give 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 delivers a rowdier tone, even with stock headpipes, S&S Racing heritage...

S&S CYCLE Slash Cut 50 State Mufflers Black 550-0752BClassic slash-cut styling, Boost horsepower and torque, Removable dB reducer, SAE J2825 Sound Level Compliant, S&S engineered high-flow cats perform as well as many catalyst-free “race only” mufflers,...

S&S CYCLE Slash Cut 50 State Mufflers Chrome 550-0753BClassic slash-cut styling, Boost horsepower and torque, Removable dB reducer, SAE J2825 Sound Level Compliant, S&S engineered high-flow cats perform as well as many catalyst-free “race only” mufflers,...

S&S CYCLE Grand National 50 State Mufflers Black 550-0754BImproved 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...

S&S CYCLE Grand National 50 State Mufflers Chrome 550-0755BImproved 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...

S&S CYCLE Grand National Muffler 550-0757BImproved 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 sound, All hardware...

S&S CYCLE Stainless Steel Grand National Muffler for FTR 1200 550-0854Race inspired Grand National endcap, Removable dB reducer, Stainless steel can with exposed tig welds for factory race styling, Includes carbon fiber heat shield, Meets J2825 sound...

S&S CYCLE Grand National Mufflers Chrome 550-0693Race inspired Grand National endcap, High flowing baffle design, Aggressive sound and excellent horsepower, Removable dB reducer, Made in USA!

S&S CYCLE Grand National Mufflers Chrome 550-0689Race inspired Grand National endcap, High flowing baffle design, Aggressive sound and excellent horsepower, Removable dB reducer, Made in USA!

S&S CYCLE Slash Cut Mufflers Chrome 550-0695Stripped down styling, Aggressive sound, Includes removable dB Reducer, Made in the USA!

S&S CYCLE Slash Cut Mufflers Black 550-0696Stripped down styling, Aggressive sound, Includes removable dB Reducer, Made in the USA!

S&S CYCLE Slash Cut Mufflers Chrome 550-0691Classic slash cut styling, Stripped down styling, Aggressive sound, Made in USA!

S&S CYCLE Slash Cut Mufflers Black 550-0692Classic slash cut styling, Stripped down styling, Aggressive sound, Made in USA!

S&S CYCLE Grand National Muffler Ceramic Black 550-070310.5% more horsepower and 19.8% more torque (with Stealth Air Cleaner Kit), Includes stainless steel perforated baffle and high performance packing, Race inspired Grand National endcap, Black ceramic...

S&S CYCLE Mufflers Chrome Chrome Thruster 550-0665Mk45 4.5" Touring Mufflers are the result of decades of riding, racing and tuning, Combines both a stainless steel baffle and RaceTEX cartridge packing, Create a deep rumble and improved horsepower and...

S&S CYCLE Mufflers Chrome Black Thruster 550-0664Mk45 4.5" Touring Mufflers are the result of decades of riding, racing and tuning, Combines both a stainless steel baffle and RaceTEX cartridge packing, Create a deep rumble and improved horsepower and...

S&S CYCLE Mufflers Black Black Thruster 550-0666Mk45 4.5" Touring Mufflers are the result of decades of riding, racing and tuning, Combines both a stainless steel baffle and RaceTEX cartridge packing, Create a deep rumble and improved horsepower and...