THUNDERHEADER 2017 – 2025 X-SERIES FLH TOURING 2-IN-1 W/HEAT SHIELDS – Chrome Ready 2 Ship
Our X-SERIES™ Exhaust is our newest line in creating maximum horsepower. With our 2″ headpipe, equal length tubes, and a larger collector, this exhaust is made specifically for Harley-Davidson’s Milwaukee-Eight? engine. Includes full coverage heat shields. 18mm and 12mm O2 sensor ports. Includes all heat shields, clamps, bracket, and install hardware. MUST use Screamin’ Eagle Flat Gaskets to install properly (HD Part#17048-98). Fits all 2017 – 2024 FLH Touring Models In Stock ready to ship as of 9-18-2026
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- Default Title — 1899.00 USD — In stock
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