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FMF Factory 4.1 RCT Exhaust System — Aluminum/Stainless Steel — Carbon Cap — Megabomb — Honda CRF250R/RX

FMF · #1820-2100 · Full-Systems / Exhaust

The Factory 4.1 RCT incorporates FMF Resonance Chamber Technology™ both internally and externally
In addition, 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 and is manufactured 100% at the Southern California factory
Includes the spark arrestor and quiet insert (94dB)

$1049.99

Not in stock right now — special order. Order it now and we email the ship date before we charge you a cent.

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 & features4 features

The Factory 4.1 RCT incorporates FMF Resonance Chamber Technology™ both internally and externally
In addition, 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 and is manufactured 100% at the Southern California factory
Includes the spark arrestor and quiet insert (94dB)

Specifications13 specs

Style: Megabomb
Units: Each
End Cap Material: Carbon Fiber
Model: Factory 4.1 RCT
Muffler Material: Aluminum
Riding Style: Off-Road
End Cap Color/Finish: Black
Muffler Color/Finish: Anodized, Gray
Pipe Material: Stainless Steel
End Cap Style: Conical
Shipping weight: 13.3 lb
Package size: 36.5 × 14.3 × 14.3 in
Country of origin: USA

Fitment2 models · Honda

Honda2 models

CRF250R2025–2026
CRF250RX2025–2026

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 #: 1820-2100
FMF part #: 041620

Shipping

Special order. We email the ship date when you order.

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?: It isn’t in stock right now, but we can special-order it. We confirm timing by email when you order, before anything is charged.
How fast will it get to me?: We confirm the ship date when you order. If anything changes, you hear it from us first.
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 #041620.