Description
Thunderheader - Stainless X-Series™ Standard 2-Into-1 Exhaust fits '18-'26 M8 Softail Models
Thunderheader's X-Series™ Exhaust in stainless steel is their newest line, built for maximum horsepower. With 2″ head pipes, equal length tubes, and a larger collector, this exhaust is made specifically for Harley-Davidson’s Milwaukee-Eight™ engine. 18mm and 12mm O2 sensor ports. Includes all clamps, bracket, and install hardware. Must use Screamin’ Eagle Flat Gaskets to install properly (HD Part#17048-98).
Fitment:
Year: 2018-2024, 2025-2026
Model: Street Bob, Standard, Low Rider/S, Low Rider ST, Slim, Deluxe, Heritage Classic, Fat Bob, Fat Boy, Breakout