2021

S&S Cycle - 128" Power Packages fits '17-'20 M8 Water/Oil-Cooled Engines This Power Package increases your 114"/117" with a 4-1/2" stroke M8 to 128". It is available in a wrinkle black or black granite finish and your choice of cylinders with or...

S&S Cycle - 2-into-1 Qualifier Exhaust System Race Only fits '17-'23 Touring Models - Silver Features Full heat shields on both front and rear headers Stainless steel stepped header construction S&S race inspired end cap Made in the U.S.A...

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 - 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 '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 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/ 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/​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 - 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/ 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 - 4.5" 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 - 49-State 2-into-1 Qualifier Exhaust System fits '17-'23 Touring Models - Black Features Full stainless steel construction Computer-aided stepped header design to maximize power output Precision bends allow for class-leading ground...

S&S Cycle - 49-State 2-into-1 Qualifier Exhaust System fits '17-'23 Touring Models - Silver Features Full stainless steel construction Computer-aided stepped header design to maximize power output Precision bends allow for class-leading ground...

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 - 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 - 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 Brushed Stainless Steel Slip-On Muffler Features: Show quality brushed stainless finish Carbon fiber end cap and heat shield Removable dB reducer (J2825 compliant) 19% weight savings over stock muffler - US version Made...

S&S Cycle - Billet Cam Plate fits  '17-'21 Harley M8 Models Features: Precision machined from billet aluminum Blue anodized finish Passage plugs are removeable for servicing Made in U.S.A Fitment 2020 Harley-Davidson Softail...

S&S Cycle - Black 4.375" Stroke 129" Big Bore Cylinder & Piston Kit fits '17 & Up M8 Engines S&S Cycle's Big Bore Cylinder & Piston Kit delivers a mighty bore increase (4.320") that, in turn, delivers a huge power increase! It is...

S&S Cycle - Black 4.5" Stroke 132" Big Bore Cylinder & Piston Kit fits '17 & Up M8 Engines S&S Cycle's Big Bore Cylinder & Piston Kit delivers a mighty bore increase (4.320") that, in turn, delivers a huge power increase! It is...

S&S Cycle - Black/Highlighted 4.375" Stroke 129" Big Bore Cylinder & Piston Kit fits '17 & Up M8 Engines  S&S Cycle's Big Bore Cylinder & Piston Kit delivers a mighty bore increase (4.320") that, in turn, delivers a huge power...

S&S Cycle - Black/Highlighted 4.5" Stroke 132" Big Bore Cylinder & Piston Kit fits '17 & Up M8 Engines  S&S Cycle's Big Bore Cylinder & Piston Kit delivers a mighty bore increase (4.320") that, in turn, delivers a huge power...

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 - 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 - 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 - 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 - 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 - Guardian Black Diamondback 2-into-1 Race Only Exhaust System fits '17-'23 Touring Models This full stainless steel exhaust system comes with stainless steel header pipe heat shields. Its computer-aided design and precision bending...

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 - Roller Rocker Arms fits M8 Softail Models Features Forged from 8620 steel, heat-treated then shot-peened for additional strength and durability Rocker arms have .75" long bushings instead of the .50" long bushings found on most other...

S&S Cycle - Sidewinder Lava Chrome 2-Into-1 Exhaust fits '17-'23 Touring Models - 49-State This system has the mirror flash of your traditional chromium mixed with a smoky radiance which creates a unique dark look that's still reflective. This...

S&S Cycle - Sidewinder Lava Chrome 2-Into-1 Exhaust fits '17-'23 Touring Models - Race Only This system has the mirror flash of your traditional chromium mixed with a smoky radiance which creates a unique dark look that's still reflective. This...

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 - 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 - 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 - Stainless Steel Tuned Induction Air Cleaner Kit fits '17 & Up M8 Harley Models Air filters are the core element for pristine air flow in a performance engine, and S&S Cycle has created a kit that delivers unbeatable performance...

S&S Cycle - Stealth Air Cleaner Kit fits All '17-'23 M8 Engines This Stealth Air Cleaner Kit has a stunning Lava Chrome finish. Lava Chrome is a smokey chrome with all the reflective qualities of traditional chromium. It features a high-strength...