Rings #:  CPN2-3780

This is why you should trust BMP with all of your exhaust needs

ECU and CNC cylinder head with oversize valves will deliver big gain in performance

The range of adjustability is from 71 to 89

Warning function

Air Intake Internal / Matryx Category_Default Category/SXS/Polaris RZR/BIG MO - EXHAUST (Polaris) Rings #: CPN2-3780Polaris snowmobiles, Matryx Boost, 9R , and 850, that are susceptible to powder bog in deep snow. This happens when the air intakes are unable to provide the engine with enough air. The simple solution to this problem is our Intake Boost Vent that mounts directly to the stock intake plenum. Intentionally designed using premium prefilter material to help make sure that air is only drawn through this vent when absolutely necessary. Data logging has