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FMF Q4 Slip-On Muffler - Kawasaki KLX400SR / Suzuki DRZ400 Series (4-Stroke)

Part # 043377
Item #357732
Fits 6 motorcycles
  • Kawasaki
    • KLX400 · 2003-2004
  • Suzuki
    • DR-Z 400 S · 2000-2022
    • DR-Z400 · 2006-2007
    • DR-Z400 SM · 2005
    • DR-Z400 SM · 2007
    • DR-Z400 SM · 2009-2021
Regular price$449.99
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  • Flat $10 U.S. shipping, free over $100
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WARNING: Cancer and Reproductive Harm, www.P65Warnings.ca.gov
FMF Q4 Slip-On — Kawasaki KLX400SR (2003-2004), Suzuki DRZ400 (2006-2007) + 2 more, 4-Stroke
Product Details

FMF is the leader in high performance quiet technology and our Q4 is the next evolution in off road exhaust. The Q4 employs intricate chambers, baffles and proprietary multistage packing material making it the best performing quiet muffler available. With the Q4 you don’t need to hear the power, just feel the power!

  • Developed over years of championship off-road racing
  • Max Sound output 96dB; most models below 93dB
  • Constructed from aircraft grade aluminum and high strength stainless steel
  • Use with FMF or Stock OEM Header
  • Removable spark arrestor included

Slip-on. Replaces the stock muffler and bolts to the stock header or an FMF MegaBomb/PowerBomb header, sold separately. Header not included.

This is a 4-stroke exhaust. It is engineered for the 4-stroke engine architecture above and physically will not fit a 2-stroke bike. Verify your engine type before purchase.

Fitment

  • Kawasaki KLX400SR 2003–2004
  • Suzuki DRZ400 2006–2007
  • Suzuki DRZ400S 2000–2022
  • Suzuki DRZ400SM 2005
  • Suzuki DRZ400SM 2007
  • Suzuki DRZ400SM 2009–2021

Specifications

System TypeSilencer
TechnologyIntricate chambers, baffles, and proprietary multistage packing material
Sound ComplianceMeets USFS and FIM World Enduro sound regulations
Spark ArrestorIncluded
Weight vs StockLighter than stock
Made InUSA
Street LegalityClosed-course / competition use only (CARB-restricted)
Best ForRace-only / Closed-course, Off-road / Trail, Enduro

Verified from Garamoto’s catalog & fitment data.