Special Offers
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Thunderheader™ Megaphone Muffler Design Softail - Black (07' - 11')
The 1027B Fits 1986 – 2006 Softails. Features 1 3/4″ head pipes to our patented megaphone muffler design. No O2 sensor ports. Includes a transmission bracket and all hardware to mount the exhaust. Heat shields sold...Regular price From $999.00Regular price From $999.00 -
Thunderheader™ Megaphone Muffler Design Softail - Black (07' - 11')
The 1057B Model Fits 2007 – 2011 Softails. Features 1 3/4″ head pipes to our patented megaphone muffler design. 18mm O2 Sensor Ports. Includes a transmission bracket and all hardware to mount the exhaust. Heat shields...Regular price From $1,019.00Regular price From $1,019.00 -
Thunderheader™ Megaphone Muffler Design Softail - Black (12' - 17')
Our Thunderheader™ design on the 2012 – 2017 Softail features 1 3/4″ head pipes to our patented megaphone muffler design. 12mm O2 sensor ports. Includes a transmission bracket and all hardware to mount the exhaust. Heat...Regular price From $1,019.00Regular price From $1,019.00 -
Thunderheader™ Megaphone Muffler Design Softail - Chrome (12' - 17')
Our Thunderheader™ design on the 2012 – 2017 Softail features 1 3/4″ head pipes to our patented megaphone muffler design. 12mm O2 sensor ports. Includes a transmission bracket and all hardware to mount the exhaust. Heat...Regular price From $1,109.00Regular price From $1,109.00 -
Thunderheader™ Megaphone Muffler Design Softail - Chrome (07' - 11')
The Thunderheader™ 1027 Model Fits 1986 – 2006 features 1 3/4″ head pipes to our patented megaphone muffler design. No O2 sensor ports. Includes a transmission bracket and all hardware to mount the exhaust. Heat shields...Regular price From $1,079.00Regular price From $1,079.00 -
Thunderheader™ Megaphone Muffler Design Softail - Chrome (07' - 11')
The 1057 Model Fits 2007 – 2011 Softails Features 1 3/4″ head pipes to patented megaphone muffler design. Includes a transmission bracket, 18mm O2 Sensor Port, and all hardware to mount the exhaust. Heat shields sold...Regular price From $1,109.00Regular price From $1,109.00
Stock powerplants leave crucial horsepower on the table. Upgrade your motor with high-flow air intakes, performance carburetors, high-lift camshafts, and complete big bore kits engineered for brutal low-end torque and high-RPM power. Seal up your cases, dial in your air-fuel mixture, and keep your engine screaming down the pavement.