Irs 2014

HMF Honda Rancher 420 IRS 2009 - 2014 Swamp & Snorkel Slip On Exhaust + EFI

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Item specifics
  • Brand:
    HMF Engineering
  • Manufacturer Part Number:
  • Placement on Vehicle:
  • Surface Finish:
    Stainless Steel
  • Country/Region of Manufacture:
    United States
  • Part Type:
  • Make:
  • Model:
    Rancher 420
  • Color:
    Stainless Steel
  • Submodel:
  • Years:
  • Bundle Listing:

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Make: Honda
Model: Rancher 420
Submodel: IRS
Years: 2009-2014
Series: Swamp
System: Slip On
Shape: Round
Mount: Side
Color: Stainless Steel
End Cap: Swamp Series Snorkel


Swamp Series

The Swamp Series from HMF is the original in setting new standards for horse power, sound, and durability on a utility machine. The large stainless steel shell has more internal volume to create more horse power at lower sound levels.

  • Controls sound levels to approximately 1-2 dB over stock
  • 304 Stainless Steel, 5" diameter shell gives the exhaust more internal volume.
  • The inlet is TIG welded for a completely water tight seal in conjunction with the snorkel kit.
  • 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 Optimizer is pre-loaded with baseline settings for your Honda Rancher 420 2009-2014 using a HMF exhaust. Plug it in and ride.

The HMF Optimizer is a piggy-back EFI controller because it does not replace the stock ECU, but rather monitors the signals to the injectors and makes fuel adjustments based on the mode settingsthat have been pre-loaded at HMF. The HMF Optimizer has a push button interface allowing access up to 3 different modes to allow for quick fine tuning by the end user without the need of a computer.

(Final tuning is always the responsibility of the end user)

Key Features:

  • Pre-loaded map developed by HMF specifically for quads that run a HMF exhaust.
  • No laptop necessary/push button tuning on the fly.
  • Uses load based technology which allows for tuning in every gear.
  • Ability to add fuel without altering the stock fuel map.
  • Easy to see LED lights to indicate operating zone.
  • Push button interface to allow quick fine tuning.
  • Easy installation.
  • Boost Sensing fuel control
Hardware may be different than pictured.
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  • International Orders: Shipping charges do not include duties and taxes upon arrival.
  • Our Locations: All products ship from one of our many warehouses in the United States.
  • Stock levels change daily.: Check to see what options are on the shelf and estimated delivery time. We carry an extensive stock of so many parts but with all of the different series/color/model combinations, we simply cannot stock every variation of every part. Please ask if you have time constraints. If we don't have the exact product you are looking for, we may have a suitable option on the shelf.
  • Questions?: Contact RPO through eBay or call/text us at 216 586 4776 Mon-Fri 9-5 EST.
  • Please include model/year/color in email/text.
  • Need it REALLY fast?: Various types of expedited shipping are always available.
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  • All orders delivered to Ohio are charged with an 8% Sales Tax.

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