RP RACE - STAINLESS STRAIGHTBACK BACKCOUNTRY HIGH OUTPUT EXHAUST SYSTEM - YAMAHA YZ450F 20-22 (CLEARANCE)With the straight back system we really like these as they simplify exhaust routing so there is no need to run exhaust shields or worry about burning through engine blankets. They can be quite loud but can be toned down with a quiet core insert which we also have available. Back country Direct straight back system with a 12in silencer, perfect for snowbike or dune riding. massive increase in top end power. Note This system does not include oxygen

Carbon Faced Machined Joint

Adapter for oxygen sensor for use with 2 stroke engines

reducing pressure points and allowing you to truly enjoy the ride

ODI MX Bar Mount Oversized Handlebar Pads

Other rider friendly touches include a slimmer and more streamlined profile with a contoured calf protector ergonomically wrapping around the leg

Don't know what you have

J-rated for speeds up to 100 km/h or

5″ of thread-used for applications that require extra thread

305075-GRN-XSeries - X Series Green

Use on public roads may be restricted depending on vehicle application and local laws

Flywheel puller is needed for installation (E-1)

and that they will STAY warm better