Special Offers
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Thunderheader™ Stainless 2-into-1 Exhaust - Chrome (06' - 17')
The New 1039SS Model Fits 2006 – 2017 Dyna Models Features 1 3/4™ head pipes to our patented megaphone muffler design. Our stainless version features a two piece exhaust that attaches with a stainless steel clamp....Regular price $1,249.00Regular price $1,249.00 -
Thunderheader™ FXR – Fits Models W/ Floorboards Only - Black (84' - 86')
The famous 1018B is back in production! With an all new bracket design, the Thunderheader™ 1018B Model Fits 1984 – 1986 FXR’s. Features 1 3/4″ head pipes to our patented megaphone muffler design. Includes an all...Regular price $999.00Regular price $999.00 -
Thunderheader™ FXR – Fits w/Center Controls – Chrome (87' - 00')
The 1016 Model Fits 1987 – 2000 Features 1 3/4″ head pipes to our patented megaphone muffler design. Includes an all-new designed bracket and all hardware to mount the exhaust. Heat shields sold separately. ***Will also...Regular price From $1,079.00Regular price From $1,079.00 -
Thunderheader™ FXR – Fits w/Center Controls – Chrome (84' - 86')
The 1015 Model Fits 1984 – 1986 FXRs – Fits models with stock center controls. Heatshields sold separatelyRegular price From $1,079.00Regular price From $1,079.00 -
Thunderheader™ Shovelhead Exhaust – Chrome (70' - 83')
The Famous 1020 Model is back in production! Features Thunderheader's patented designs, the 1020 Model Fits 1970 - 1983 Shovelheads. Includes an all-new bracket, clamp, and all hardware to mount the exhaust. Heat shields sold separately....Regular price From $1,079.00Regular price From $1,079.00 -
Thunderheader™ FXR – Fits w/Center Controls – Chrome (84' - 86')
The 1015B Model Fits 1984 – 1986 FXRs. Features their design for models with stock center controls. Heatshields sold separately.Regular price From $999.00Regular price From $999.00
Weak stock components won't hold up when you're pushing your machine to its limits on the asphalt or dirt. Upgrade your build with heavy-duty motorcycle parts and hard hardware engineered for maximum structural strength, high-stress endurance, and mechanical reliability. Eliminate weak points, torque down your setup right, and keep your ride performing at full throttle.