Performance Big Bore Kit / Skidoo 911 Choose Cylinder Exchange:Exchange (Send us your core) Tons of hours on the

Tons of hours on the Dyno and R&D and several revisions were done while creating this muffler to give you the absolute most performance out of your patriot boost

The muffler produced a noticeable increase in punch and throttle response as well

With our patented design and configuration

All Stainless Steel: Hand-built using high-grade stainless steel for maximum corrosion resistance and durability in extreme conditions

whether you’re tackling a tough trail or competing

Performance Big Bore Kit / Skidoo 911 Choose Cylinder Exchange:Exchange (Send us your core) Tons of hours on theTurn your skidoo 850 into a 911 big bore with this kit.