With this unstructured snapback cap of Loser Machine you're half way

1982 KZ F1 750cc

Rough Crafts designed cam cover features CNC machined sculpted fins inspired by the engine itself

This makes it easy to select an oversize length for any 76-present application with stock style carburetor / throttle housing and throttle grips that are conventional cable operated

This link pipe eliminates the stock pre-muffler

spark force 3 4 exhaust system for yamaha Fits:15-24 YZF R1 (titanium collector with Force muffler) (GYA8829T) With this unstructured snapback capSpark Force 3 4 Exhaust System for Yamaha Take your Yamaha'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 silencer.