Thunderheader 2 into 1 Softail 2018 and up

Thunderheader's X-Series Exhaust is the newest line in creating maximum horsepower. With 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. Available in Chrome or Black.
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