✦ 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 Factory 4.1 RCT Exhaust — Aluminum
In stock

FMF Factory 4.1 RCT Exhaust — Aluminum

FMF · #1820-1993 · Full-Systems / 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
  • Meets AMA and FIM sound requirements
$1049.99
In stock. Ships in 2–4 business days · free shipping over $150.
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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 & features7 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
  • Meets AMA and FIM sound requirements
  • QuietCore 94 dB insert included
  • Made in the U.S.A.
Specifications14 specs
Design/Configuration
Single Canister
Material
Stainless Steel, Carbon Fiber, Aluminum
Units
Each
Muffler Color/Finish
Natural
Pipe Material
Stainless Steel
Type
Full System
Muffler Material
Aluminum
Style
Megabomb
Riding Style
Off-Road
End Cap Color/Finish
Carbon Fiber
Model
Factory 4.1 RCT
Shipping weight
8.5 lb
Package size
8 × 12 × 32.3 in
Country of origin
USA
Fitment2 models · Honda
Honda2 models
  • CRF450R2021–2026
  • CRF450RX2021–2026
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 #
1820-1993
FMF part #
041604
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 #041604.

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