In stock

FMF Factory 4.1 RCT Slip-On Muffler with Carbon Cap — Desmo 450

FMF · #1821-2309 · Slip-Ons / Exhaust

The Factory 4.1 RCT incorporates the latest in FMF Resonance Chamber Technology™ both internally and externally
Achieves a shorter overall length that is less susceptible to crash damage and complementary to Factory Forward Engineering - moving the muffler closer to the motor to centralize mass
The Factory 4.1 RCT is constructed from only aerospace grade materials that meet exacting specifications
Manufactured 100% at Southern California factory

$854.99

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

Shop all FMF
Everything we carry from FMF →

Description & features4 features

The Factory 4.1 RCT incorporates the latest in FMF Resonance Chamber Technology™ both internally and externally
Achieves a shorter overall length that is less susceptible to crash damage and complementary to Factory Forward Engineering - moving the muffler closer to the motor to centralize mass
The Factory 4.1 RCT is constructed from only aerospace grade materials that meet exacting specifications
Manufactured 100% at Southern California factory

Specifications13 specs

End Cap Material: Carbon Fiber
Style: Race
Muffler Material: Titanium
Type: Slip-On
Units: Each
Pipe Material: Titanium
Model: Factory 4.1 RCT
Muffler Color/Finish: Anodized Blue
Riding Style: Off-Road
End Cap Color/Finish: Black
Shipping weight: 8.4 lb
Package size: 42.5 × 8.3 × 8.3 in
Country of origin: USA

Fitment2 models · Ducati

Ducati2 models

Desmo450 EDX2026
Desmo450 MX2026

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 #: 1821-2309
FMF part #: 045714

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 #045714.