FMF
Factory 4.1 Slip-On Exhaust
MPN: 044455
SKU: 79-40318
$849.99
Currently Unavailable
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Product Description
Factory 4.1 Slip-On Exhaust
- SKU: 79-40318
- Manufacturer part number: 044455
- UPC:
Vehicle compatibility is shown in the fitment information below.
Features:
- All new incorporating the latest in Resonance Chamber Technology
- Patented core shape lowers sound level while maintaining maximum power output
- Patented canister shape increases internal volume for more sound absorbing material
- Patented chamber design to enhance and refine exhaust pressure
- Factory Forward Engineering centralizes mass and is less prone to crash damage
- Tuned exhaust with optimized core specifications for each application
- Innovative rear end cap for simple installation of tuning tip inserts or spark arrestor
- Ti RCT has Ti canister and mid-pipe
- Aluminum RCT has Aluminum canister and Stainless mid-pipe
- Includes spark arrestor and wash plug
Product Specifications
BrandFMF
Manufacturer Part Number044455
ATD SKU79-40318
Class
Mufflers, Pipes, & Systems
Division
Exhaust
Exhaust Type
Slip-On Muffler
Model
FACTORY 4.1
Product Type
Exhaust
Segment
Offroad
Sub Class
Mufflers, Silencers, Slip Ons
Vehicle Fitment
Confirmed catalog applications for this product.
17 applications
Yamaha
WR250F
2023–2024
✓ Confirmed
Yamaha
YZ250F
2019–2026
✓ Confirmed
Yamaha
YZ250FX
2020–2026
✓ Confirmed
This product carries a Proposition 65 warning related to cancer/developmental . See the product packaging and manufacturer documentation for details.
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