FMF Q4 HEX SS Slip On Muffler Exhaust w/ Spark Arrestor YZ WR 450 was engineered by the leading minds on the exhaust industry with performance in mind and manufactured by hand in the USA. FMF is the leader in high performance quiet technology and their Q4 HEX is the next evolution in off road exhaust. The Q4 employs intricate chambers, baffles and proprietary multistage packing material making it the best performing quiet muffler available. With the Q4 you don't need to hear the power, just feel the power!
Incorporates internal baffles, chambers and space age sound-absorbing materials to accelerate exhaust flow with less noise and minimal power loss. Well under the 96db sound output on most machines to satisfy strict sound requirements. Forestry approved Spark arrestor with maintenance free, stainless steel spark arrestor screen.
Rugged design for off-road endurance. Less sound equals more ground. Meets USFS and FIM World Enduro sound regulations. Power gains throughout the entire rpm range. Make sure to check out our other used YZ450F parts.
They may not arrive at the same time and may take another couple of days for the complete order to arrive. If you have a physical address and a PO box please provide both. Once the order is sent to a pull sheet at one of our warehouses we are NOT ABLE to change the address or cancel the order.
We do hold order a few minutes to allow for then. Our fulfillment process is automated and we will not see a direct message until it is to late to cancel it. Make sure you have packages delivered to a secure location.Please note that all prices are in U. Any fitment provided is for US Spec models. If the products show any signs of installation, we cannot accept the return.
Item must be in original undamaged unopened packaging. Contacting Us for a Return.All items are new in box unless listed otherwise. WARNING: This product contains chemicals known to the State of California to cause cancer and/or reproductive harm, and birth defects or other reproductive harm.