Yamaha YFZ450R/X (09-14) Quiet Slip-On

$288.95

Yamaha YFZ450R/X Quiet Slip-On



Other Models Available:
? Comp System
? Comp Slip On
? Quiet System
Download DMC Installation Instructions DMC announces the all-new exhaust & EFI Control (sold separately) for the Yamaha 2009-2014 YFZ450R and YFZ450X offered in both Comp and Quiet Systems and Slip-On's. These single-muffler systems unleash the potential of these two purpose built Yamaha?s and will impress all who dare to use them.

The DMC Quiet Slip-On is designed with the YFZ450X woods racer in mind. Our Quiet Slip-On's perform at or under 96dB using the SAE J 1287 testing method which makes them the perfect weapon for GNCC, WORCS and AMA Pro ATV series. Our SOS sound suppressor actually increases the mid range torque which is critical for top woods performance. This Mid-range Torque allows you transition your riding line quickly, and also allows you to use the engine?s torque rather than using up your forearms in difficult terrain.

Features Type III hard anodized Afterburner extruded muffler that's easily rebuildable in minutes. DMC uses the highest quality packing material for maximum life and noise reduction. As with all DMC exhausts, a removable USFS/USDA approved spark arrestor is included to keep Smokey the Bear happy.

Everything needed for installation is included along with easy to follow instructions.

To enhance your quest for more performance, we highly recommend the DMC EFI Control Module. Our testing has proven this combination of exhaust and an EFI Control Module to be a lethal combination resulting in maximum output in horsepower and torque.

To enhance your quest for more performance, get your paws on a DMC EFI Control Module (sold separately). Our testing has proven this combination of exhaust and an EFI Control Module to be a lethal combination resulting in maximum output in horsepower and torque

It's specifically mapped to work in conjunction with your DMC Twin Exhaust to deliver every ounce of torque and horsepower in a smooth and responsive power curve. It's fully adjustable with three simple buttons on the faceplate to adjust the fuel curve richer or leaner in each area of the map. Advanced engineering eliminates the need for complicated computer programs or interfaces. Everything is controlled directly on the EFI Control Module.


2009-2014 Yamaha YFZ450R and YFZ450X
  • Quiet Slip-On Performs at or under 96db
  • USFS Approved Spark Arrestor Included
  • 19.4% Increase in Torque
  • 15.8% Increase in Horsepower
  • 3.65 lbs. weight savings over stock

Add to Cart:

  • Model: 25456-01
  • Shipping Weight: 8lbs
  • Manufactured by: DMC Exhaust

This product was added to our catalog on Thursday 02 September, 2010.

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