Harley Davidson

S&S Cycle - 4-1/2" MK45 Performance Muffler W/ Black/Machined Tracer End Caps fits '95-'16 Touring Models - Chrome This muffler utilizes a combination of stainless steel and fiberglass packing in order to produce a deep, performance tone and...

S&S Cycle - 4-1/2" MK45 Performance Muffler W/ Black/Machined Tracer End Caps fits '95-'16 Touring Models - Black This muffler utilizes a combination of stainless steel and fiberglass packing in order to produce a deep, performance tone and stronger...

S&S Cycle - MK45 Slip-On Mufflers W/ Chrome Thruster End Caps fits '17-'21 Harley Touring Models - Chrome This muffler utilizes a combination of stainless steel and fiberglass packing in order to produce a deep, performance tone and stronger...

S&S Cycle - 4-1/2" MK45 Slip-On Mufflers W/ Black Thruster End Caps fits '17-'21 Harley Touring Models - Chrome This muffler utilizes a combination of stainless steel and fiberglass packing in order to produce a deep, performance tone and stronger...

S&S Cycle - 4-1/2" MK45 Slip-On Mufflers W/ Black Thruster End Caps fits '17-'21 Harley Touring Models - Black This muffler utilizes a combination of stainless steel and fiberglass packing in order to produce a deep, performance tone and stronger...

S&S Cycle - 4-1/2" MK45 Slip-On Mufflers W/ Chrome Tracer End Caps fits '17-'21 Harley Touring Models - Chrome This muffler utilizes a combination of stainless steel and fiberglass packing in order to produce a deep, performance tone and stronger...

S&S Cycle - 4-1/2" MK45 Slip-On Mufflers W/ Black/​Machined Tracer End Caps fits '17-'21 Harley Touring Models - Chrome This muffler utilizes a combination of stainless steel and fiberglass packing in order to produce a deep, performance tone and...

S&S Cycle - 4-1/2" MK45 Slip-On Mufflers W/ Black/​Machined Tracer End Caps fits '17-'21 Harley Touring Models - Black This muffler utilizes a combination of stainless steel and fiberglass packing in order to produce a deep, performance tone and...

S&S Cycle - Grand National Slip-On Muffler fits '15-'20 XG500/​750 Models This muffler delivers heightened horsepower and torque when it is used with a Stealth Air Cleaner Kit. It has a race-inspired sound and stainless steel baffle as well as a...

S&S Cycle - Grand National Slip-On Mufflers W/ Black End Caps fits '17-'21 Harley Touring Models - Chrome This muffler features a race-inspired Grand National end cap high-flow perforated baffle with a detachable dB reducer. It delivers an...

S&S Cycle - Grand National Slip-On Mufflers W/ Black End Caps fits '17-'21 Harley Touring Models - Black This muffler features a race-inspired Grand National end cap high-flow perforated baffle with a detachable dB reducer. It delivers an aggressive...

S&S Cycle - 4" Grand National Slip-On Muffler W/ Black End Caps fits '95-'16 Touring Models - Chrome This muffler features a race-inspired Grand National end cap high-flow perforated baffle with a detachable dB reducer. It delivers an aggressive...

S&S Cycle - 4" Grand National Slip-On Muffler W/ Black End Caps fits '95-'16 Touring Models - Black This muffler features a race-inspired Grand National end cap high-flow perforated baffle with a detachable dB reducer. It delivers an aggressive...

S&S Cycle - Slash Cut Slip-On Mufflers fits '17-'21 Harley Touring Models - Chrome S&S Cycle's 4" Slash-Cut Slip-On Muffler has a show-quality finish, stripped-down styling and a detachable dB reducer. NOTE: Qualified Manufacturer Declared...

S&S Cycle - Slash Cut Slip-On Mufflers fits '17-'21 Harley Touring Models - Black S&S Cycle's 4" Slash-Cut Slip-On Muffler has a show-quality finish, stripped-down styling and a detachable dB reducer. NOTE: Qualified Manufacturer Declared...

S&S Cycle - 4" Slash-Cut Slip-On Muffler fits '95-'16 Touring Models - Chrome S&S Cycle's 4" Slash-Cut Slip-On Muffler has a show-quality finish, stripped-down styling and a detachable dB reducer. NOTE: Qualified manufacturer declared emissions...

S&S Cycle - 4" Slash-Cut Slip-On Muffler fits '95-'16 Touring Models - Black S&S Cycle's 4" Slash-Cut Slip-On Muffler has a show-quality finish, stripped-down styling and a detachable dB reducer. NOTE: Qualified manufacturer declared emissions...

S&S Cycle - Slash-Cut Slip On Mufflers fits '08-'17 Harley Dyna Models - Black These mufflers have a detachable dB reducer for back pressure and sound tuning. It is available in slash-cut styling and meets J2825 levels for sound. NOTE: Manufacturer...

S&S Cycle - Grand National Slip-On Mufflers fits '95-'17 Dyna Models - Chrome These mufflers feature a detachable dB reducer for back pressure and sound tuning. They have race-inspired Grand National end caps. The mufflers meet the J2825 levels for...

S&S Cycle - Grand National Slip-On Mufflers fits '08-'17 Harley Dyna Models - Guardian Black These mufflers feature a detachable dB reducer for back pressure and sound tuning. They have race-inspired Grand National end caps. The mufflers meet the...

S&S Cycle - Slash Cut Race Slip-On Mufflers fits '18-'22 Harley Softail Models - Guardian Black These mufflers are S&S engineered high-flow cats that performs as well as many catalyst-free "race only" mufflers. They feature classic slash-cut...

S&S Cycle - Slash Cut Race Slip-On Mufflers fits '18-'22 Harley M8 Softail Models - Chrome These mufflers are S&S engineered high-flow cats that performs as well as many catalyst-free "race only" mufflers. They feature classic slash-cut styling...

S&S Cycle - Slash Cut Race Slip-On Mufflers fits '18-'22 Harley Softail Models - Chrome These mufflers are S&S engineered high-flow cats that performs as well as many catalyst-free "race only" mufflers. They feature classic slash-cut styling and...

S&S Cycle - Grand National Race Slip-On Mufflers fits '18-'22 Harley Softail Models - Black Ceramic These mufflers feature a race-inspired design and improved horsepower and torque (when used with a Stealth Air cleaner kit; sold separately. The...

S&S Cycle - Grand National Race Slip-On Mufflers fits '18-'22 Harley M8 Softail Models - Chrome These mufflers feature a race-inspired design and improved horsepower and torque (when used with a Stealth Air cleaner kit; sold separately. The stock...

S&S Cycle - Grand National Race Slip-On Mufflers fits '18-'22 Harley Softail Models - Chrome These mufflers feature a race-inspired design and improved horsepower and torque (when used with a Stealth Air cleaner kit; sold separately. The stock...

S&S Cycle - 4.5" GNX Slip-On Mufflers W/ Tuxedo Black End Caps fits '17-'21 Harley Touring Models - Chrome These mufflers are SAE J2825 Sound Level Compliant and a pre-installed, detachable dB reducer. The unique louvered baffle emits a more...

S&S Cycle - 4.5" GNX Slip-On Mufflers W/ Tuxedo Black End Caps fits '17-'21 Harley Touring Models - Black These mufflers are SAE J2825 Sound Level Compliant and a pre-installed, detachable dB reducer. The unique louvered baffle emits a more...

S&S Cycle - 50 State Slash-Cut Slip-On Mufflers fits '18-'22 Harley Softail Models - Guardian Black Features: Classic slash-cut styling Boost horsepower and torque SAE J2825 Sound Level Compliant S&S engineered high-flow cats perform as...

S&S Cycle - 50 State Slash-Cut Slip-On Mufflers fits '18-'22 Harley M8 Softail Models - Chrome These mufflers are S&S engineered high-flow cats that performs as well as many catalyst-free "race only" mufflers. They feature classic slash-cut...

S&S Cycle - Grand National 50 State Slip-On Mufflers fits '18-'22 Harley M8 Softail Models - Guardian Black These mufflers feature a race-inspired design and improved horsepower and torque (when used with a Stealth Air cleaner kit; sold separately...

S&S Cycle - Grand National 50 State Slip-On Mufflers fits '18-'22 Harley M8 Softail Models - Chrome These mufflers feature a race-inspired design and improved horsepower and torque (when used with a Stealth Air cleaner kit; sold separately. The...

S&S Cycle - 50 State Slash-Cut Slip-On Mufflers fits '18-'22 Harley Softail Models - Chrome These mufflers are S&S engineered high-flow cats that performs as well as many catalyst-free "race only" mufflers. They feature classic slash-cut styling...

S&S Cycle - Grand National 50-State Slip-On Mufflers fits '18-'22 Harley M8 Softail Models - Chrome These mufflers feature a race-inspired design and improved horsepower and torque (when used with a Stealth Air cleaner kit; sold separately. The...

S&S Cycle - Shadow Muffler Kit W/ Black Highlighted Machined End Cap fits '09-'22 Touring Models S&S Cycle's Shadow Muffler Kit is designed to occupy the left-side cutout in the extended saddlebags when you are running a Sidewinder 2:1 exhaust...

S&S Cycle - Shadow Muffler Kit W/ Black Highlighted Machined End Cap fits '95-'08 Touring Models - Chrome S&S Cycle's Shadow Muffler Kit is designed to occupy the left-side cutout in the extended saddlebags when you are running a Sidewinder 2:1...

S&S Cycle - Shadow Muffler Kit W/ Black Highlighted Machined End Cap fits '95-'08 Touring Models - Black S&S Cycle's Shadow Muffler Kit is designed to occupy the left-side cutout in the extended saddlebags when you are running a Sidewinder 2:1...

S&S Cycle - 4-1/2" MK45 Cutlass Performance Mufflers fits '17-'23 Touring Models - Guardian Black These mufflers feature a bold 4-1/2" design with a stainless steel baffle and RaceTEX packing. They produce a deep bass rumble throughout the RPM range...

S&S Cycle - 4-1/2" MK45 Cutlass Performance Mufflers fits '17-'23 Touring Models - Chrome These mufflers feature a bold 4-1/2" design with a stainless steel baffle and RaceTEX packing. They produce a deep bass rumble throughout the RPM range...

S&S Cycle - 4-1/2" MK45 Cutlass Performance Mufflers fits '95-'16 Harley Touring Models - Guardian Black These mufflers feature a bold 4-1/2" design with a stainless steel baffle and RaceTEX packing. They produce a deep bass rumble throughout the...