Hmf Yamaha Yfz 450 2012 2013 Competition Slip On Exhaust Muffler & Jet Kit K&n on 2040-parts.com

Make: Yamaha
Model: YFZ450
Submodel:
Years: 2012-2013
Series: Competition
System: Slip On
Shape: Elliptical
Mount: Side
Color: Black
End Cap: Euro - Elliptical-Vertical - Polished

RE-JETTING REQUIRED

Competition Series

• Three exhaust inserts are included to give the rider the ability to quickly change the power and sound according to the riding conditions.
• The Competition Series uses a mechanical core to control exhaust pulses and set power levels where they're needed.
• 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.
  

New HMF Factory Jet Kit for your Yamaha YFZ450 2012-2013 using an HMF exhaust.

RPO sells the HMF Jet Kit to work with HMF exhausts. When HMF designs an exhaust, they do several dyno runs with various jets and the jets that provide the best air/fuel ratio are added to the jet kit. Baseline is the manufacturers recommended jetting and smaller and larger jets included to accomodate changes in altitude or humidity.

This HMF Factory Jet Kit Includes: 2012-2013 - Individual Mikuni Large Round Jets: 160, 165, 170

Bikes must be jetted for valid exhaust warranties.

New K&N Air Filter for a Yamaha YFZ450 2012-2013.

• High Air Flow with Excellent Filtration.
• Designed to Increase Horsepower and Acceleration.
• Washable and Reusable.
• Will NOT Void Vehicle Warranty.
• K&N Million Mile Limited Warranty®.
• Economical, a K&N Air Filter Will Last the Life of Your Bike.
• Works with Original Equipment Manufacturer Vehicle Electronics.
• Easy High Performance Add-on.

*Hardware may be different than pictured.

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