521112 5/16" and 521113 for 3/8"

With M6 mounting bolt

and racetrack cities

Also called a speed pulse converter

allowing you to focus on the road ahead

spark force 3 4 exhaust system for kawasaki BS365 521112 5/16" and 521113 forSpark Force 3 4 Exhaust System for Kawasaki Take your Kawasaki's performance to the next level with the Spark Force 3 4 Exhaust System. Developed for top racing teams and tested on world famous tracks, this system delivers maximum power for both professional and amateur riders. You get the perfect balance of weight reduction, performance and pure racing sound. The 3 4 system consists of a 2in1 manifold to eliminate the catalytic converter and