Thanks to their breathability

snowmobiles and other vehicles that requires Reliable power and long life

Durable material - outer layers in Ripstop nylon for increased durability

Practical and comfortable applications

YASUNI 4 Black Edition Muffler - Carbon TUB451BC arctic-cat-alterra-450-4wd-auto-trans--450-2020-esi9076970 Thanks to their breathabilityThe Yasuni 4 Range is the evolution of the line created for the 4 strokes scooters. 40% Less Weight Than Original Exhaustthe Fasteners and Components Are Made of Stainless Steel AISI 304high Mechanical Strength Respects EEC Noise Tests (E9) In order to fully comply to the emission beachard (E5), installation. 746233 Exhaust Muffler Finish: Black Aluminum Exhaust Pipes Finish: Steel Homology: Not approved in Switzerland & Not Street Legal Muffler End