HMF Performance Exhaust for KFX 450R available as a Slip-On or Full System. The slip-on system picks up 5 horse power to the rear wheels, while the Full System adds another 2 horse power. The Performance exhaust will be roughly 4-6dB louder than the stock muffler. The HMF Quiet Core can decrease that 2-4dB. Additionally, the aluminum shells weighs substantially less that the stock exhaust.
Exhaust Fits: (08-14) KFX 450R