Thunderheader - Chrome 12MM & 18MM O2 Sensor Ports X-Series Standard Pipe w/Heat Shields fits '18–'25 M8 Softail Model

Thunderheader - Chrome 12MM & 18MM O2 Sensor Ports X-Series Standard Pipe w/Heat Shields fits '18–'25 M8 Softail Model

Our 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 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).

Fitment:

• Fits 2018 – 2025 Low Rider ST, Heritage & Sport Glide

Note:

• **2025 MODELS TAKE A DIFFERENT SADDLEBAG BRACKET, SO PLEASE SPECIFY IN NOTES IF IT IS FOR A 2025.***