2017-2023 Ski-Doo GEN 4 Chassis 850 E-TEC / Lynx Boondocker DS / Rave RE Snowmobile Trail Exhaust 850tparts you will need to use

you will need to use XM Summit Rails due to different tensioner design on the 146

Gear ratio changes are typically made by changing the top gear although in some cases

Thankfully

1/2″ Wheel Axle Kit: Converts stock 7-1/8 inch to 8 inch and stock 8 inch to 9 inch wheels

1x Hose Clamps

2017-2023 Ski-Doo GEN 4 Chassis 850 E-TEC / Lynx Boondocker DS / Rave RE Snowmobile Trail Exhaust 850tparts you will need to use2017 2023 Ski Doo GEN 4 Chassis 850 E TEC Backcountry Snowmobile Trail Profile Exhaust Does Not Fit Wide Body Models (Expedition, Grand Touring, Enduro, SKandic) MBRP's Ski doo Lynx Trail Exhaust Enhanced sound in the lower to mid range, louder through high RPMS's. Put more rumble lower in the power band and when you crank up the throttle experience that classic MBRP growl. Its stainless steel casing is long lasting and looks great while the laser cut