FMF Racing 44273 PowerCore 4 Spark Arrestor Full System with Stainless Steel Header. Race-inspired, price-point muffler made for maximum power output. Aircraft-quality extruded aluminum canister with stainless steel components.
Spark arrestor included on S/A models, see footnotes. FMF Racing 44273 PowerCore 4 Spark Arrestor Full System with Stainless Steel Header Race-inspired, price-point muffler made for maximum power output.