Fits 2004-2022 Harley Sportster XL 883/1200

Full stainless steel construction-brush satin finish
15-20% power gains in the low/mid range
13.25lbs-substaintiall weight savings
Has 18mm O2 ports in pipe, supplied with 12mm adapters and plugs for carb models
Supplied with 20 discs and closed end cap
4" Disc based tunable system-adjust for your engine build
Completely rebuildable core
Mounting bracket included