HMF Engineering 019273606171 S/O FOREMAN 450 BLK
HMF Engineering 019273606171 S/O FOREMAN 450 BLK: Automotive. Buy HMF Engineering 019273606171 S/O FOREMAN 450 BLK: Seat Covers - ✓ FREE DELIVERY possible on eligible purchases. The Performance Series uses a 2 1/8" non-restrictive core for maximum flow. . Depending on the model, you can expect a 4-6 dB increase over stock. . The exhaust shell is made of T6061 Aluminum that weighs substantially less than stock. . USFS Approved: All HMF offroad exhausts come with a USFS approved spark arrester. . Two Year Warranty: HMF Engineering Inc. warranties all exhaust systems for two years from the date of purchase for all manufacturing defects. . The HMF Performance Series has a specially designed, unrestricted core that allows the exhaust to increase power evenly throughout the entire power curve. It also features the signature HMF sound with industry-leading end cap and color options, giving you a completely custom look. . . .