✦ Ground shipping $14.95 — free over $150✦ Live stock — re-checked when you pay✦ Real prices, no dealer markup games✦ Questions answered by a human: 801-361-3010✦ Licensed Utah dealer № 140069✦ Ground shipping $14.95 — free over $150✦ Live stock — re-checked when you pay✦ Real prices, no dealer markup games✦ Questions answered by a human: 801-361-3010✦ Licensed Utah dealer № 140069
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FMF 4.1 RCT Exhaust with MegaBomb — Anodized Titanium
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FMF 4.1 RCT Exhaust with MegaBomb — Anodized Titanium

FMF · #1820-1874 · FMF / Full-Systems
  • The Factory 4.1 RCT incorporates FMF Resonance Chamber Technology™ both internally and externally
  • Shorter overall length that is less susceptible to crash damage and complementary to FMF's 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 FMF's exacting specifications and is manufactured 100% at their Southern California factory
  • Massive Power gains throughout the RPM range.
  • Huge weight savings
$1329.99
Not in stock right now — special order. Order it now and we email the ship date before we charge you a cent.
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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 & features8 features
  • The Factory 4.1 RCT incorporates FMF Resonance Chamber Technology™ both internally and externally
  • Shorter overall length that is less susceptible to crash damage and complementary to FMF's 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 FMF's exacting specifications and is manufactured 100% at their Southern California factory
  • Massive Power gains throughout the RPM range.
  • Huge weight savings
  • New RTS (Rapid Tuning System)
  • Includes MegaBomb header
  • Includes spark arrestor screen insert
Specifications11 specs
Muffler Color/Finish
Anodized Blue
Type
Full System
Pipe Material
Titanium
Riding Style
Off-Road
End Cap Material
Carbon Fiber
Units
Each
Muffler Material
Titanium
Model
Factory 4.1 RCT
Shipping weight
9 lb
Package size
31 × 10.5 × 8.5 in
Country of origin
USA
Fitment5 models · Gas Gas, Husqvarna, KTM
Gas Gas1 models
  • EX 350F2021–2023
Husqvarna2 models
  • FC3502019–2022
  • FX3502019–2022
KTM2 models
  • 350 SX-F2019–2022
  • 350 XC-F2019–2022
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 #
1820-1874
FMF part #
045637
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 #045637.

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