Thunderheader™ FLH – X-SERIES™ Exhaust For Big Cubic Inch Motors – Chrome (89' - 16')

Thunderheader™ X-SERIES™ exhaust is their newest line in creating maximum horsepower. With their 2 headpipe, equal length tubes, and a larger collector, this exhaust is made specifically for Harley-Davidson's Twin Cam 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.

Fits all 1984 – 2016 FLH Touring Models