FMF Factory 4.1 RCT Slip-On Muffler — Anodized Titanium with Carbon Fiber End Cap — FE 250/350

In stock

FMF Factory 4.1 RCT Slip-On Muffler — Anodized Titanium with Carbon Fiber End Cap — FE 250/350

FMF · #1821-1631 · Slip-Ons / Exhaust

RCT (Resonance Chamber Technology) features a patented core shape that lowers decibels while maintaining maximum power output
Internal ducts in the chambers of the RCT system increase internal volume for improved exhaust flow, resulting in power gains throughout the entire range of power
FMF's Factory Forward Engineering centralizes mass and is less prone to crash damage
Innovative rear end cap features simple installation of tuning tip inserts or spark arrestor with the removal of four screws
Compatible with stock header or FMF header

$649.99

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 & features9 features

RCT (Resonance Chamber Technology) features a patented core shape that lowers decibels while maintaining maximum power output
Internal ducts in the chambers of the RCT system increase internal volume for improved exhaust flow, resulting in power gains throughout the entire range of power
FMF's Factory Forward Engineering centralizes mass and is less prone to crash damage
Innovative rear end cap features simple installation of tuning tip inserts or spark arrestor with the removal of four screws
Compatible with stock header or FMF header
Meets AMA and FIM sound requirements
QuietCore 94 dB insert included
Spark arrestor included in muffler
Made in the USA

Specifications11 specs

Riding Style: Adventure Touring / Dual-Sport, Off-Road
Units: Each
End Cap Material: Carbon Fiber
Muffler Color/Finish: Anodized, Blue
End Cap Color/Finish: Black
Model: Factory 4.1 RCT
Muffler Material: Titanium
Type: Slip-On
Shipping weight: 6 lb
Package size: 22.8 × 7.6 × 5.5 in
Country of origin: USA

Fitment27 models · Husaberg, Husqvarna, KTM

Husaberg3 models

FE2502013–2014
FE3502013–2014
FE5012013–2014

Husqvarna3 models

FE 2502014–2016
FE 4502015–2016
FE3502014–2016

KTM21 models

250 SX-F2009–2015
250 XC-F2009, 2011, 2013–2015
250 XCF-W2009–2016
350 SX-F2011–2015
350 XC-F2011–2015
350 XCF-W2012–2016
400 XC-W2009–2010
450 EXC2009–2011
450 EXC-R2008
450 SMR2013
450 SX-F2007–2015
450 SX-F Factory Edition2012–2014
450 XC-F2009, 2013–2015
450 XC-W2009–2010, 2012–2016
500 EXC2012–2016
500 XC-W2013–2016
505 SX-F2008
505 XC-F2008–2009
530 EXC2009–2011
530 EXC-R2008
530 XC-W2009–2010

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 #: 1821-1631
FMF part #: 045561

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 #045561.