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 control -Provides power gains throughout entire power band -Carbon steel with a nickel plated finish for maximum durability -FMF Racings Tru-Flo stamping process ensures a perfect fit and optimum performance. -Can be used with FMF or stock silencer (unless noted) -Our most popular 2-stroke pipe -O-Rings Included Make Model Year HUSQVARNA TC 250 17-18 HUSQVARNA TX 300 17-18 KTM 250 SX 17-18 KTM 250 XC 17-18 KTM 300 XC 17-18 Fits: Husqvarna TE250 2017-2018 TE250i 2019 TE300 2017-2018