Patented collector design: Directs spent gases through dampening chambers for optimal exhaust flow and performance
Proven performance gains: Dyno-tested to increase horsepower and torque for FXR models
Iconic Thunderheader sound: Delivers the recognizable, high-pitched exhaust note associated with classic Harley Davidson builds
Classic performance look: Features a solid stainless steel build with options for black or chrome heat shields
Custom made to order: Each system is crafted in the USA for quality and fit
Summarized by Shop
Ramjet's has been selling Thunderheaders for nearly 30 years! Shortly after being introduced to the market in the late '80s, Thunderheader 2:1 exhaust systems became THE performance exhaust system for your Harley-Davidson. Between the unmistakable Thunderheader sound to its seat of the pants, dyno-proven performance gains, and its iconic
Material
Stainless steel
Color options
Silver, black, chrome (heat shields available separately)
Compatibility
1984-1986 FXR with Mids or floorboards/foward controls, 1987-1994/1999-2000 FXR with Mids or floorboards/foward controls
