FMF KTM 85SX 18-23 HSQVR TC85'18-23 FATTY PIPE 25221FMF KTM 85SX 18 23 HSQVR TC85'18 23 FATTY PIPE 25221 With 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