The Honda Rancher 420 is available as a Slip-On system in the Performance, Titan, and Swamp Series. Each exhaust series picked up nearly 2 horse power with nearly 2lb of torque. At idle, the Performance, Titan-XL and Swamp-XL are 2-4 dB louder than the stock muffler, while the Titan-QS and Swamp are only 1-2dB. The HMF Quiet Core can drop the volume roughly 1-2 dB more.
(09-13) Rancher 420
(09-14) Rancher 420: IRS
(12-13) Foreman 500
FUEL TUNING IS REQUIREDLEARN MORE
Fuel Tuning is absolutely required when installing an HMF Exhaust on this machine. Failure to tune the engine can cause excessive damage to the exhaust system and engine, while voiding the warranty on your exhaust and possibly on your machine. (check with local dealer). See the tuning settings below for the proper fuel tuning solution on your machine.