FMF RACING - FATTY EXPANSION CHAMBER - 024076 - YAMAHA 22-26 YZ125 / 23-26 YZ125XWith well over 35 years of racing experience behind it, the Fatty Gold Series pipe delivers race proven performance. The Fatty broadens and smoothes out the power curve while boosting gains throughout the entire power band, more low end, more mid, and increased over rev. No matter what type of riding you do, the Fatty has the benefits youre looking for. More tractable power, improved throttle control Provides power gains throughout entire power band

Available sizes 520DZ2   450 cc max

Lithium-ion technology for reliable and consistent power output

Comes with center mount in either one piece or independent

FMF loves 2-strokes

This design allows the center skag to flex side to side

Moto ramp is also amazing for Dirtbikes and ATVs

Compact and light enough to carry in a tool bag for trail side repairs

to keep your snowbike performing its best

or to heat the ENGINE itself

not as pictured

CABA1352BLK Black

thanks to its fluoropolymer technology