These washers are stacked inside the spring cup and allow free movement of the flat side of the spring

Older XP Turbos: This turbo can be adapted to older XP turbos without a kit

Easy bolt- on performance

This adapter will cause the sled to run leaner

It comes with 2 boost gage and BOV ports for those who want to add these devices to their machine

Arctic Cat Catalyst 858 Stainless Steel Powder-Lite Muffler // 02-130PL-SS Category_Default Category/SLED/Polaris/Matryx 650 These washers are stacked insideArctic Cat Catalyst 858 Powder Lite Stainless Steel Muffler Elevate your ride with the Arctic Cat Catalyst 858 Powder Lite Muffler. Engineered for the backcountry rider who demands maximum weight savings without sacrificing power, this muffler delivers a crisp, aggressive exhaust note and the durability of full stainless steel construction. Dyno tested and field proven to dominate the mountain. Performance & Engineering Highlights Race & Mountain