Special Offers
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Thunderheader™ FLH Touring Add-On Left Side Falsee System for Milwaukee 8 X-Series Exhaust System (17' - 25')
The 1075XF System Fits Makes 2017 – 2025 FLH. This system WILL NOT fit 2024 – 2025 FLH CVO ST. Thunderheader™ Falsee System Add-On includes the cross-under pipe, muffler, and two heat shields.Regular price $649.00Regular price $649.00 -
Thunderheader™ FLH Touring Slip-on ThunderCones (PAIR) - Black (95' - 16')
The 1061B Model from Thunderheader™ Fits 1995 - 2016 Touring Models. Includes (2) Thundercone™ Slip-On mufflers, & with install hardware. Heat shields not included & sold separately.Regular price From $795.00Regular price From $795.00 -
Thunderheader™ FLH Touring Slip-on ThunderCones (PAIR) - Chrome (95' - 16')
The 1061 Model from Thunderheader™ Fits 1995 - 2016 FLH Touring Models Includes (2) Thundercone™ Slip-On mufflers, & with install hardware. Heat shields not included & sold separately.Regular price From $795.00Regular price From $795.00 -
Thunderheader™ FLH Touring Slip-on ThunderCones (PAIR) - Chrome (17' - 25')
The 1066 Model from Thunderheader™ Fits 2017 – 2025 FLH Touring Models (excluding Tri-Glide). Tri-Glide uses 1061. Includes (2) Thundercone™ Slip-On mufflers. Comes with install hardware. Heat shields sold separately.Regular price From $795.00Regular price From $795.00 -
Thunderheader™ FLH Touring Slip-on ThunderCones (PAIR) Black (17' - 25')
The 1024S Model from Thunderheader™ Fits 2017 – 2025 FLH Touring Models (excluding Tri-Glide). Tri-Glide uses 1061B. Includes (2) Thundercone™ Slip-On mufflers, & install hardware. Heat shields sold separately.Regular price From $795.00Regular price From $795.00 -
Thunderheader™ Touring 2-In-1 Exhaust (Right Side Only) – Black (84' - 06')
The 1024SB Model from Thunderheader™ Fits 1984 - 2006 Standard Length Touring bikes. This Product is Right side only. Includes Full Coverage Heat Shields & No O2 Sensor Ports. Falsee System Not included, and Sold Separately.Regular price From $1,399.00Regular price From $1,399.00
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.