In stock

FMF Q4 Slip-On Muffler — WR/WR250/450F

FMF · #1821-0581 · Slip-Ons / Exhaust

The Q series features advanced engineering to precisely locate baffles and chambers to absorb sound
Less mass to enhance power-to-weight ratio
Quiet power with minimal sacrifice for performance
Developed over years of championship off-road racing
Twin-stage core design for lower sound output and extended life of packing material

$499.99

In stock. Ships in 2–4 business days · free shipping over $150.

Questions? Call the shop: 801-361-3010

Real shop · real humans · 1231 N 1300 W Ste A, Centerville, UT 84014

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Description & features6 features

The Q series features advanced engineering to precisely locate baffles and chambers to absorb sound
Less mass to enhance power-to-weight ratio
Quiet power with minimal sacrifice for performance
Developed over years of championship off-road racing
Twin-stage core design for lower sound output and extended life of packing material
Comes standard with spark arrestor

Specifications13 specs

Riding Style: Off-Road, Adventure Touring / Dual-Sport
Type: Slip-On
End Cap Style: Conical
End Cap Material: Stainless Steel
Muffler Color/Finish: Raw
Style: Oval
Model: Q4
Units: Each
Muffler Material: Aluminum
Pipe Material: Stainless Steel
Shipping weight: 7.6 lb
Package size: 37.2 × 6.3 × 6.3 in
Country of origin: USA

Fitment4 models · Yamaha

Yamaha4 models

WR250F2007–2014
WR450F2007–2011
YZ250F2006–2009
YZ450F2006–2009

Fitment comes from the catalog data for this part. Double-check your year, model and trim before you order — or call the counter at 801-361-3010 and we’ll check it with you.

Part numbers

Salto part #: 1821-0581
FMF part #: 044232

Shipping

In stock. Ships in 2–4 business days by ground.

Ground shipping is $14.95, free on orders over $150. Stock is checked again before your card is charged.

Questions4 answers

Is it in stock?: Yes — it’s in stock right now. We check again the moment you order, before anything is charged.
How fast will it get to me?: Usually 2–4 business days by ground.
Will it fit my machine?: It’s listed for the models in the Fitment section above. Not sure about your trim or year? Call the counter at 801-361-3010 and we’ll check it with you.
Is this genuine FMF?: Yes. It’s new and genuine, straight from Salto — FMF part #044232.