2-into-1 Systems

2:1 Exhaust - 70-84 Shovelhead

Features Complete your exhaust system by combining these headpipes with tailpipe extensions or universal mufflers Accepts the stock kickarm and clears the floorboards and HD factory highway bars Heat shields are recommended For 1970–1984...

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

Thunderheader #1039 Fits all models (excluding Switchback). 18mm & 12mm O2 Sensor Ports. - Chrome - 06-17 Dyna