FACTORY EFFEX Yamaha Polo Shirt - Navy - XL 25-85206 Spring Conversion Kit All Classic exhaust systems include

All Classic exhaust systems include full-length heat shields and 2-1/2" muffler bodies Triple chrome plating for beauty that lasts Instructions and all mounting hardware included Made in the U

Merged the 1-7/8" head pipes into a large 2-1/4" collector that steps up to a 2-1/2" perforated core Core wrapped in stainless steel screen then encloded in fiberglass pillow Collector covered by large one-piece heat shield that is held in place with two clamps and stamped Cobra logo 4" muffler body capped with a 4" machined aluminum dual-cut tip that features small alluvial flutes Body arrives pre-set in slight upward position Works wtih stock or extended bags

2023 Honda CRF450R-S - - 2022-2023 Honda CRF250R - - 2022-2023 Honda CRF250RX - - 2021-2023 Honda CRF450R - - 2021-2023 Honda CRF450RX - -

2023 Beta 350 RR 4T - - 2020-2021

The filtering efficiency** is extremely high at 98-99% filtering efficiency (ISO 5011)

FACTORY EFFEX Yamaha Polo Shirt - Navy - XL 25-85206 Spring Conversion Kit All Classic exhaust systems includePolyester moisture performance material Sublimated graphics