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Ships within 48 hours · Estimated delivery Aug 18 - Aug 23
All Pro Flo header systems will marry existing SPC mufflers as long as they are both for the same bike
5” high flow performance rolled cone muffler with stepped baffle from 2 ¼ to 2 ½ inches
Tuned properly can accommodate 88" to 143"
CNC billet aluminum endcap
You cannot swap Big Bore
2018-PRESENT M8 Softail ST & Sport Glide - Lanesplitter Harley-Davidson-FXR-1988 All Pro Flo header systemsFits 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
