MY NEW DIRT BIKE EXHAUST | 2014 KX250F WITH A FMF FACTORY 4.1 - FMF Factory 4.1 RCT Slip-On Exhaust

I changed out my stock exhaust on my 2014 kx250f for a FMF Factory 4.1 rct slip on exhaust. I show you the sound difference and how to take off and put on the new FMF. The FMF is a lot slimmer and lighter compared to stock along with it giving it a little more punch when you get on the throttle. If you enjoyed this video make sure to SUBSCRIBE for more.

Massive POWER gains throughout the RPM range.
Quieter than stock.
Huge weight savings.
Includes midpipe.
Can be used with FMF header or stock.
New RTS makes for easy sound insert changes as well as adding U.S. Forestry Service Approved Spark Arrestor.
#1 Exhaust in AMA Supercross Series, AMA Motocross Series, and the Monster Energy Cup!!!

Type: Slip-On
Configuration: Single
Construction: Aluminum
Finish: Natural
Midpipe: Stainless steel
Endcap: Carbon
Spark arrestor: Screen insert
Quiet insert: 94dB insert
Weight: 4.9 pounds

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Film/edit - Tyler Monagan

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Canon T5i
Rhode Video mic
GoPro Hero 3+ Black
iPhone 6s - iPhone 7 Plus