Fatty Exhaust Pipe 19-23 KTM Husqvarna GasGas 250 300 - FMF 025241

Celebrating more than 35 years of race engineering, the FMF Fatty 025241 Gold Series expansion pipe sets the benchmark for 2-stroke performance. Designed to broaden and smooth the power curve, this pipe delivers substantial gains across the entire rev range—enhancing low-end grunt, midrange punch, and top-end over-rev. The Fatty ensures precise fitment with FMF’s proprietary Tru-Flo stamping process and is engineered for riders seeking increased tractable power and throttle control in any scenario. Features include a broadened and smoothed power curve for all-around boost, increased low-end, midrange, and over-rev performance, and improved throttle control with more usable power. Fabricated from carbon steel with a durable nickel-plated finish. The Tru-Flo process guarantees a precision fit and maximum performance. Compatible with both FMF and OEM silencers (unless noted otherwise). O-rings included for secure installation. FMF’s most popular 2-stroke expansion chamber, race-proven reliability. Item ID: 025241. Type: Pipes. Weight: 5.0 lbs. Carb Warning: No.