HMF Sport Series Slip-on YFZ450 04-up

Designed for 4-stroke sport quads 304 Stainless steel headers and inlets T-6061 aerospace grade aluminum canisters TIG welded aluminum brackets Heavy-duty stainless steel rivets 2-piece billet end caps that accept a USFS aprroved spark arrestor and the exculsive HMF quick-change low dB Quiet Core Packed with Silent Sport brand pillow packing 2-year manufacturer's warranty