BUN Freestyle Carbon Exhaust ChamberBUN Freestyle has changed the game with their exhaust chambers that work on a Yamaha based platform (I. E. Dasa, TPE, ET, XScream). This is the same design used for their own manufactured engines the WAZ engines. The carbon chambers are a full WET chamber. Meaning there is only one cavity inside the chamber with water injection. This chamber utilizes 2 injection points. This chamber still has the unique shape of the BUN aluminum chamber, but offers

Rick Roy Products (RRP) X-Lite 28

and Hardware

*For getting top performance - we recommend the Tall Stacks

The best option for engine mounts is the OEM ones

specifically the Arctic Cat

or wanting to utilize the second pickup offered

Tigercraft

Includes mounting hardware

ATVs and sportbikes

Part Number: 63-RED-43103

Collar only:  HSI-62-0005

46mm - If you have porting in the engine