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COVID-19 Update

As of the close of business Monday March 23rd, 2020, HMF Racing will be temporarily closing manufacturing and operations until May 1st as mandated by the State of Ohio to help slow the spread of the COVID-19 virus. We hope to resume normal work May 2nd, 2020. This is to protect the health and safety of all HMF staff and their families.

All orders that are currently in progress will be put on hold until operations resume. In Stock items are available to ship with negligible delays. New orders may still be placed on our website. Orders placed online will be charged and invoiced the next morning in order to reserve a place in the production queue. Delays in production in addition to the listed production time are possible depending on the volume of orders placed during this closure period.

From the HMF family to you:
Stay safe, stay healthy, and we look forward to helping you with your exhaust and equipment needs in the very near future.

Performance Full System Exhaust

  • Performance Full System Exhaust
  • Performance Full System Exhaust
  • Performance Full System Exhaust
  • Performance Full System Exhaust
  • Titan Full System Exhaust
  • Titan Full System Exhaust
  • Titan Full System Exhaust
  • Titan Full System Exhaust
  • Performance Full System Exhaust
  • Performance Full System Exhaust
  • Titan Full System Exhaust
  • Full System Head Pipe

Honda® Foreman

The Honda Foreman 500 is available as a Full System in the Performance, Titan, and Swamp Series. The Performance Series picked up nearly 4 horsepower with nearly 3lb of torque. The Titan-QS and Swamp Series picked up 2 horsepower with 2lb of torque, and the Titan-XL and Swamp-XL Series picked up 3 horsepower with 3lb 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.

Exhaust Fits
(14-20) Foreman 500/520
(14-20) Rancher 420

Does Not Fit
(15-20) Foreman Rubicon See Foreman Rubicon

Fuel tuning is not typically required learn more

Typically, fuel tuning is not required when installing an HMF Exhaust on this machine. However, other modifications to the machine may require the need for fuel tuning to ensure the machine runs properly, and there is no damage to the exhaust system. See the tuning settings below for possible tuning solutions or Contact Us for more information.

Exhaust Systems

Honda® Foreman ATV Accessories

Tuning

Note An HMF Optimizer is absolutely required with or without airbox modifications.

Mode 1 Mode 2 Mode 3 Mode 4 Mode 5 Mode 6
            
3.5 4.0 0.0 4.5 4.0 4.0

Low Speed Fuel

Going down on the number scale will reduce low speed fuel. Going up on the number scale will increase low speed fuel.

Mid Range Fuel

Going down on the number scale will reduce mid range fuel. Going up on the number scale will increase mid range fuel.

High End Fuel

Going down on the number scale will reduce high end fuel. Going up on the number scale will increase high end fuel.

Green Lower Switch Point

Going down on the number scale will turn green mode on earlier. Going up on the number scale will turn green mode on later. These modes typically will not need adjusted from their base setting.

Yellow Lower Switch Point

Going down on the number scale will turn yellow mode on earlier. Going up on the number scale will turn yellow mode on later. These modes typically will not need adjusted from their base setting.

Red Lower Switch Point

Going down on the number scale will turn red mode on earlier. Going up on the number scale will turn red mode on later. These modes typically will not need adjusted from their base setting.

Optimizer Help

Click here to watch our HMF Optimizer tuning and installation video.

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