PRO CIRCUIT T-6 Muffler YZ450F 2014 - 2017 0131645A DL-03A Air/Fuel Ration Included are 1 each left

Included are 1 each left side and right side stand receiver hooks that are CNC machined from 6061 aluminum

Gives overall power increase with improved rideability

Graves Motorsports Yamaha R1 Top Velocity Stacks for the 2009-2014 models

Exhaust System Saves 16

PRO CIRCUIT T-6 Muffler YZ450F 2014 - 2017 0131645A DL-03A Air/Fuel Ration Included are 1 each leftT 6 Stainless Slip On Silencers are designed for a rider looking for an inexpensive, easy to install, durable performance silencer that can bolt onto their stock headpipe Constructed of stainless steel throughout the mid pipe and end cap while the canister is constructed of aluminum for increased durability Machined aluminum muffler bracket for increased strength and durability Asymmetrical muffler configuration for increased packing volume A