✦ 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 System — Titanium/Anodized — Blue with Carbon End Cap — YZ450F
In stock

FMF Factory 4.1 RCT Exhaust System — Titanium/Anodized — Blue with Carbon End Cap — YZ450F

FMF · #1820-2197 · Full-Systems / 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 and is manufactured 100% at the Southern California factory
$1374.99
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 & features3 features

For closed course use only.

  • 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 and is manufactured 100% at the Southern California factory
Specifications11 specs
Style
Megabomb
End Cap Color/Finish
Blue
Muffler Color/Finish
Anodized, Blue
End Cap Material
Carbon Fiber
Units
Each
Model
Factory 4.1 RCT
Pipe Material
Titanium
Riding Style
Off-Road
Shipping weight
10 lb
Package size
43 × 8.5 × 8.5 in
Country of origin
USA
Fitment1 models · Yamaha
Yamaha1 models
  • YZ450F2026
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 #
1820-2197
FMF part #
044490
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 #044490.

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