Yamaha
2002-2008 YFM 660F Grizzly 660
  • Bolt-on install
P/N AT-6406SP
in-stock
in-stock

2002-2008 Yamaha YFM 660F Grizzly 660

Sport Series
$279.99 SAVE UP TO $150 WITH REBATE

or 4 interest-free payments of $69.99 with Sezzle

Buy Now Find a Dealer

2002-2008 Yamaha YFM 660F Grizzly 660

Sport Series
$279.99 SAVE UP TO $150 WITH REBATE
Buy Now

Sport Series

  • aggressive sound
  • good durability
  • Black-Coated Aluminized Steel
  • Bolt-on install
Buy Now

Sport Series

  • Sound Icon
    Moderate Sound
  • Racing Inspired Icon
    Trail Focused
  • Tone Icon
    Balanced Tone

Clean Looks And A Performance Sound

Quickly bolt on an MBRP Sport Series exhaust and enjoy the new deep tumble coming from your ATV or SXS. Slam the throttle for an aggressive sound, or cruise all day long without worrying about being obnoxious.

  • One-Year Warranty Icon

    Warranty

    When it comes to thrashing and bashing your ATV or SXS, you can rest easy knowing MBRP is designed and built for the toughest environments on Earth. For the few that can out-do our testers, we have a one-year warranty offering full coverage on all parts on your system.

  • Sound Quiet Icon

    Sound

    There's nothing better than a nice rumble coming out of your tailpipe. Whether you're going full-blast through the desert or tracking around at the farm, enjoy that deep, crisp sound that you can only get with MBRP.

  • Hand Tools Icon

    Hand Tools-Only Guarantee

    You want to install your exhaust without a few trips to the parts store. That's why MBRP's systems are built to use factory mounting locations and come with all the hardware you need to get the job done without the heavy artillery.

  • Fast Install Icon

    Fast Install

    Less time in the garage means more time on the trails. With MBRP, you know you're getting the easiest install for your ride because that's exactly how it was designed. Get your system installed fast, and get back to the fun.

MBRP Dirt Exhaust Systems

MBRP produces high quality exhaust systems with a sound that helps you stand out from the pack. You'll get out of the shop and back on the trail quickly with a simple-to-install design that only requires hand tools.

Buy Now

Join the MBRP community on Instagram

#MBRPEXHAUST to be featured

Quickly bolt on an MBRP Sport Series exhaust and enjoy the new deep rumble coming from your ATV or SXS. Slam the throttle for an aggressive sound, or cruise all day long without worrying about being obnoxious.

  • Year: 2002-2008
  • Make: Yamaha
  • Model: YFM 660F Grizzly
  • Engine: 660
  • Fuel Type: Gasoline
  • Part Number: AT-6406SP
  • Part Type: Exhaust
  • Series: Sport
  • Material: Black-Coated Aluminized Steel
  • Warranty: 1-Year Warranty

Material Specs:

Black-Coated Aluminized Steel

Style comes first with this finish. It’s the same material from our aluminized steel, but the tailpipes are coated in a special high-heat black powder-coating giving any vehicle a unique look. These systems come with matching black tips as well.

California Proposition 65 Warning

Chromium, Nickel

Warning: This product can expose you to chemicals including nickel (metallic) and chromium (hexavalent compounds) which are known to the State of California to cause cancer and birth defects, or other reproductive harm.
For more information go to www.p65warnings.ca.gov

Sport Series

Quickly bolt on an MBRP Sport Series exhaust and enjoy the new deep rumble coming from your ATV or SXS. Slam the throttle for an aggressive sound, or cruise all day long without worrying about being obnoxious.

Download Install Instructions

Bang For Your Buck Value

100% Product Promise

When you buy MBRP, you’ll know that you’re getting the best value because your material options all come with the same high quality craftsmanship in every product. If you’re unsatisfied with your product, reach out and we’ll make it right.

  • Superior craftsmanship

  • DIY installation

  • No-BS customer service

Buy Now