Fmf Factory 4.1 Rct Anod Comp W/ Megabomb / Yam Yfz450r
- Massive power gains throughout the RPM range
- Huge weight savings
- New RTS (Rapid Tuning System)
- FMF uses the highest quality proprietary blend of alloy grade titanium made especially to our standards
- Not legal for use in California on pollution controlled vehicles, race use only in California - waiver available
Description & features5 features
The Factory 4.1 RCT incorporates the latest in FMF Resonance Chamber Technology™ both internally and externally. In addition, we achieve a shorter overall length that is less susceptible to crash damage and complementary to our 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 our exacting specifications and is manufactured 100% at our Southern California factory.
- Massive power gains throughout the RPM range
- Huge weight savings
- New RTS (Rapid Tuning System)
- FMF uses the highest quality proprietary blend of alloy grade titanium made especially to our standards
- Not legal for use in California on pollution controlled vehicles, race use only in California - waiver available
Specifications3 specs
- Exhaust Type
- Full System
- Shipping weight
- 9.5 lb
- Package size
- 23.5 × 11.3 × 9.3 in
Part numbers
- Salto part #
- 79-31184
- Fmf part #
- 044438
Shipping & pickup
In stock at a regional warehouse. Typically arrives in 2–4 days by ground — we re-verify stock the moment you order, before anything is charged. Free pickup at the shop in Centerville, usually faster.
Ground shipping is $14.95, free on orders over $150. Stock is re-checked with the warehouse before your card is charged.
Free pickup: Salto Moto, 1231 N 1300 W Ste A, Centerville, UT 84014. We email when it’s at the counter — usually 1–3 business days.
Questions5 answers
- Is it in stock?
- Yes — the distributor shows it on a shelf at a regional warehouse right now. We check again the moment you order, before anything is charged.
- How fast will it get to me?
- Usually 2–4 days by ground. Pickup in Centerville is free and often faster.
- Will it fit my machine?
- The distributor doesn’t publish a vehicle fitment list for this part. Call the counter at 801-361-3010 with your year, make and model and we’ll check it with you before you order.
- Can I pick it up at the shop?
- Yes, free. Choose pickup at checkout and we’ll email when it’s at the counter at 1231 N 1300 W Ste A, Centerville, UT 84014.
- Is this genuine Fmf?
- Yes. It ships new from the same distributors the big online stores buy from — Fmf part #044438.
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