FMF Racing Powercore 4 Slip-On Exhaust for 2006-08 Kawasaki KX450F - 042123 2016 Yamaha YXC700 Viking VI Ranch 1978 Yamaha XS750S Special

1978 Yamaha XS750S Special

(1) Junction Block

2000 Arctic Cat ZL 600

2015 Harley-Davidson Sportster Custom - XL 1200C

FMF Racing Powercore 4 Slip-On Exhaust for 2006-08 Kawasaki KX450F - 042123 2016 Yamaha YXC700 Viking VI Ranch 1978 Yamaha XS750S SpecialFMF Racing Powercore 4 Slip On Exhaust Part Number: 042123 Race Inspired for maximum power and torque through entire RPM range Aircraft quality extruded aluminum canister with stainless steel components High quality internal packing material for maximum longevity Made in the USA Race inspired, price point muffler made for maximum power output. When designing the PowerCore 4 Exhaust, FMF took a hard look at their top of the line mufflers to produce