FMF RACING - FATTY EXPANSION CHAMBER - 024053 - YAMAHA 99-26 YZ250 / 16-26 YZ250XWith 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

For the numbers people

Let's not beat around the bush

quad-riveted pins

wrap around bars and hardware for mounting top clamp and bars

-Designed for gas engines up to 6 Liters and diesel engines up to 3 Liters for cars

-This is especially true on snowbikes with enclosures that build heat in the whole "engine bay"

(Honda CBR600 rider should use the Antigravity Battery AG-801)

Made by trusted professionals in a true world-class production facility in Alberta

this battery pack offers robust protection

The AiM Handlebar switch is a worthwhile upgrade for riders who like tinkering and tuning to eke out every last bit of performance

Allow enough time for lube to penetrate and stabilize before use

Considering power-to-weight ratios on a 320lb machine with 55 horsepower