Check the listing for details. HMF Blue Yamaha Warrior 350 Slip on Exhaust Muffler Pipe Atv Silencer 1987-2004. Color: Blue, Condition: New. Listed at 409.95 USD. Yamaha 350 Warrior Blue HMF Performance Slip On Muffler 1987 - 2004 Fits - Yamaha YFM 350 X Warrior Years 1987 - 2004Type - Performance Slip On ExhaustColor - Blue Brand - HMF Manufacture Part # 041373609186 Previous Part # 041373606486Slip-On Systems By far the most popular, easiest, and simplest to install system, our slip-on systems are designed to be a direct replacement for a vehicle's original silencer. Typically this will be a one piece silencer with an inlet that matches up to the vehicle's original headpipe(s). Slip-on systems can either be a single silencer setup or duals depending on the machine. Slip on exhausts with tuning can pick up 4 hp and 3 ft-lbs of torque. The mufflers will be roughly 4-6 dB louder than the stock exhaust, Optional HMF Quiet Core can reduce that 2-6dB.HMF Engineering Performance Series Slip-On ExhaustHMF exhaust comes with a U.S.F.S. Spark ArrestorYamaha 350 Warrior HMF Blue Performance Slip On Exhaust 1987 - 2004