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FMF Factory 4.1 RCT Full Exhaust Yamaha YZ250F / YZ250FX / WR250F
The FMF Factory 4.1 RCT full system is constructed from aerospace-grade materials that meet FMF's exacting specifications and is 100% manufactured in their Southern California factory. The patented MegaBomb header design allows exhaust gases to expand, cool and ramp back up at a higher velocity. This results in torque gains typically associated with longer headers, and the healthy over-rev of a short header. The muffler itself is shorter than OEM mufflers, making it less susceptible to crash damage and complements the centralized mass design by moving it closer to the motor. The rear end cap was engineered for fast and easy tuning by utilizing a retaining ring to keep the standard and optional inserts in place.
- Massive power gains throughout the RPM range
- Huge weight savings over stock exhaust
- RTS (Rapid Tuning System) for quick and easy track-side tuning
- Removable spark arrestor included
- Quiet insert sold separately
- Meets AMA and FIM sound requirements
- 100% made in the USA
- Stainless Steel / Aluminum / Carbon end cap 7.3 lbs
- Titanium / Carbon end cap 5.4 lbs
|Product Style||RevZilla Item #||MFR. Product #||Availability|
|Product Style Titanium/Blue Titanium/Carbon Fiber||RevZilla Item #1001590||MFR. Product #44431||AvailabilityIn Stock: Ships within 24 hours|
|Product Style Stainless/Aluminum/Carbon Fiber||RevZilla Item #1001630||MFR. Product #44430||AvailabilityAvailable: Requires 1-3 business days of lead time prior to shipment|
This Product Fits
This item is also available for 51 different bikes. View All Models
- FE350 2013-2014
- FC250 2014-2015
- FC250 2016-2017
- FC350 2015
- FC350 2016-2017
- FC450 2014-2015
- FC450 2016-2017
- FE250 2014-2015
- FE350 2014-2015
- FX350 2017
- FX450 2017
- 250 SX-F 2011-2012
- 250 SX-F 2013-2015
- 250 SX-F Factory Edition 2015-2017
- 250 XC-F 2013-2015
- 250 XC-F 2016-2017
- 250 XCF-W 2014-2016
- 350 EXC-F 2012-2015
- 350 SX-F 2011-2012
- 350 SX-F 2015-2017
- 350 XC-F 2011-2012
- 350 XC-F 2016-2017
- 350 XCF-W 2014-2016
- 350 XCF-W 2012-2013
- 450 SMR 2013
- 450 SX-F 2011-2012
- 450 SX-F 2013-2015
- 450 SX-F 2016-2017
- 450 SX-F Factory Edition 2012-2014
- 450 SX-F Factory Edition 2015-2017
- 450 XC-F 2013-2015
- 450 XC-F 2016-2017
- 450 XC-W 2012-2016
- 500 EXC 2012-2015
- 500 XCF-W 2012
- 500 XC-W 2013-2016
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