2018-PRESENT M8 Softail ST & Sport Glide - Lanesplitter Harley-Davidson-FXR-1988 Machined stainless steel header collars

Machined stainless steel header collars

CNC billet aluminum endcap

All Pro Flo header systems will marry existing SPC mufflers as long as they are both for the same bike

4” high flow performance cone into a 4” body with a 2 ½” perf core baffle

For st models please include your bike on the cart page for a free bag mounting bracket

2018-PRESENT M8 Softail ST & Sport Glide - Lanesplitter Harley-Davidson-FXR-1988 Machined stainless steel header collarsFits all new 2025 softails & lowrider sts with updated cam cover. We fit *all models 2018 2025 except breakout & fatboy 4 rolled cone muffler with a 2 coiled perforated baffle for increased torque and a deep tone 065 stainless steel headers stepped from 1 to 1 7 8 to 2 at the collector. Hand tig welded from top to bottom Machined stainless steel header collars 18mm o2 bungs with 12mm adapters, allows for stock or autotune sensors Complete hardware kit