2-into-1 Systems

S&S Cycle #550-1029A - Qualifier 2:1 50 State Exhaust System - Stainless Steel

Qualifier 2:1 50 State Exhaust System Shed 28 pounds while improving performance and sound 12% increase in peak hp and 7% increase in torque (when combined with S&S high flow air filter) Satisfying, deep performance sound SAE J2825 Sound Level...

S&S Cycle #550-1031 - Qualifier 2:1 Exhaust System - Stainless Steel - Race Only

Qualifier 2:1 Race Only Exhaust System Aggressively styled 2-into-1 race replica system Boosts power and torque TIF-welded stainless steel construction with a brushed finish Spring-mounted race-style muffler with high-flow perforated baffle Deep...

Thunderheader #1012 All EVO style with Center Controls. - Chrome - 86-03 Sportster

Thunderheader #1012B All EVO style with Center Controls. - Black - 86-03 Sportster

Thunderheader #1015 Fits models with stock center controls. - Chrome - 84-86 FXR

Thunderheader #1015B Fits models with stock center controls. - Black - 84-86 FXR

Thunderheader #1016 Fits models with stock center controls. - Chrome - 87-94 FXR

Thunderheader #1016B Fits models with stock center controls. - Black - 87-94 FXR

Thunderheader #1018 Fits models with floorboards or forward controls. - Chrome - 84-86 FXR

Thunderheader #1018B Fits models with floorboards or forward controls. - Black - 84-86 FXR

Thunderheader #1019 - 2:1 Exhaust System for 1987-1994 FXR - Fits models with floorboards or forward controls - Chrome

Thunderheader #1019B - 2:1 Exhaust System for 1987-1994 FXR - Fits models with floorboards or forward controls - Black

Thunderheader #1020B Fits all models without floorboards. (Does not fit kickstart) - Black - 70-83 Shovelhead

Thunderheader #1020Fits all models without floorboards. (Does not fit kickstart) - Chrome - 70-83 Shovelhead

Thunderheader #1022 Fits models with center and forward controls. - Chrome - 93-98 Dyna

Thunderheader #1022B Fits models with center and forward controls. - Black - 93-98 Dyna

Thunderheader #1024S 2-INTO-1 Standard Length (Right Side Only) - Includes Full Coverage Heat Shields. No O2 Sensor Ports - Chrome - 84-06 Touring

Thunderheader #1024SB 2-INTO-1 Standard Length (Right Side Only) - Includes Full Coverage Heat Shields. No O2 Sensor Ports - Black - 84-06 Touring

Thunderheader #1026 Fits all models. No O2 Sensor Ports. - Chrome - 99-05 Dyna

Thunderheader #1026B Fits models with center and forward controls. No O2 Sensor Ports. - Black - 99-05 Dyna

Thunderheader #1027 All SOFTAIL models. No O2 Sensor Ports. - Chrome - 86-06 Softail

Thunderheader #1027B All SOFTAIL models. No O2 Sensor Ports. - Black - 86-06 Softail

Thunderheader #1028 ALL MODELS Forward or Center Controls. No O2 Sensor Ports. - Chrome - 04-06 Sportster

Thunderheader #1028B ALL MODELS Forward or Center Controls. No O2 Sensor Ports. - Black - 04-06 Sportster