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Fitment

YearMakeModelEngine
2000-2006YamahaYFM400 Big Bear 4x4400
2000-2004YamahaYFM400 Big Bear 2x4400
2007-2010YamahaYFM400 Big Bear IRS 4x4400

Features

  • USFS Approved Spark Arrestor Included.
  • MBRP Exhaust ATV Muffler
  • ATV

Quick Specs

  • Year: 2000-2010
  • Make: Yamaha
  • Model: YFM 400 Big Bear 2x4/ 4x4
  • Engine: 400
  • Fuel Type: Gasoline
  • Part Number: AT-6409SP
  • 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.
  • Part Number : AT-6409SP
  • Product Type : Exhaust Muffler

Important Notes

  • 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 

MBRP AT-6409SP 2000-2010 Yamaha YFM 400 Big Bear 2x4/ 4x4

2000-2006 Yamaha YFM400 Big Bear 4x4 / 2000-2004 2x4 / 2007-2010 IRS
4.9256198347107 847 5
98.512396694215%
4.9/5 out of 847 Company Reviews. Rating:
MBRP AT-6409SP 2000-2010 Yamaha YFM 400 Big Bear 2x4/ 4x4
243.99In stock
2000-2006 Yamaha YFM400 Big Bear 4x4 / 2000-2004 2x4 / 2007-2010 IRS

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Regular Price $304.99
Special Price $243.99

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Product Details

MBRP's ATV performance muffler. A true performance exhausts sound, maximum flow – while keeping similar characteristics of our sport and utility series, while delivering a clean and crisp sound.
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