FMF Powercore 4 Slip-On Muffler — WR450F/YZ450F

In stock

FMF Powercore 4 Slip-On Muffler — WR450F/YZ450F

FMF · #1821-0681 · Slip-Ons / Exhaust

Developed to increase the horsepower and torque throughout the entire power curve producing a noticeable power increase that is usable and compatible with every style of riding
Aluminum construction and stainless steel Hi-Flo end caps make for the perfect balance of performance and strength
Removable spark arrestor included

$449.99

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 & features3 features

Developed to increase the horsepower and torque throughout the entire power curve producing a noticeable power increase that is usable and compatible with every style of riding
Aluminum construction and stainless steel Hi-Flo end caps make for the perfect balance of performance and strength
Removable spark arrestor included

Specifications12 specs

Type: Slip-On
End Cap Material: Stainless Steel
Riding Style: Off-Road, Adventure Touring / Dual-Sport
Model: Powercore 4
Muffler Color/Finish: Natural
Muffler Material: Aluminum
Style: Oval
Units: Each
End Cap Style: Conical
Shipping weight: 6.56 lb
Package size: 37 × 6.5 × 6.3 in
Country of origin: USA

Fitment2 models · Yamaha

Yamaha2 models

WR450F2003–2006
YZ450F2003–2005

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 #: 1821-0681
FMF part #: 044222

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 #044222.