Special Offers
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Thunderheader™ X-SERIES™ FLH Touring 2-In-1 Exhaust (17'-26') - Chrome
The Thunderheader™ X-SERIES™ Exhaust is our newest line in creating maximum horsepower. With our 2″ head pipes, equal length tubes, and a larger collector, this exhaust is made specifically for Harley-Davidson’s Milwaukee-Eight™ engine. Includes full coverage heat...Regular price From $1,899.00Regular price From $1,899.00 -
Thunderheader™ ThunderCone Design (Pair) Softail - Chrome (18' - 24')
The 1352B Model Fits 2018 - 2024 Softails. Features their signature Thundercone Slip-On mufflers. Comes with install hardware. Heat shields sold separately. Fits 2018 – 2024 Softail Street Bob, Breakout, Fat Boy, Low Rider S/ST, &...Regular price From $795.00Regular price From $795.00 -
Thunderheader™ ThunderCone Design (Pair) Softail - Chrome (18' - 24')
Includes (2) Thundercone™ Slip-On mufflers. Comes with install hardware. Heat shields sold separately. The 1352 Model Fits 2018 – 2024 Softail Street Bob, Breakout, Fat Boy, Low Rider S/ST, & Slim.Regular price From $795.00Regular price From $795.00 -
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
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Restrictive stock mufflers choke off exhaust scavenging and muffle the raw roar of your engine. Upgrade to full performance exhaust systems and slip-on mufflers built to shed weight, increase horsepower, and deliver a loud, deep tone. Open up your exhaust flow, wake up the neighborhood, and let your motor scream.