FMF Racing Fatty PipePart Number: 025073 More tractable power, improved throttle control Provides power gains throughout entire power band Carbon steel with a nickel plated finish for maximum durability FMF Racing’s 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 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 you’re looking for.Fits: 2004-10 KTM 125 SX2007-08 KTM 144 SX2009-10 KTM 150 SX Product Details Product Line FMF Fatty Pipe Part Number 025073 Fitment Type Model-Specific Fitment Use Type Unit Sale Qty Style Size Position Material Color Finish Exhaust Configuration Head Pipe Muffler Size Muffler End/Tip Style California Emissions FALSE Product Disclaimer Returning because of clearance dents is NOT a valid reason for return - DO NOT RETURN BECAUSE OF CLEARANCE DENTS Fitment Note Expansion Head Pipes often require clearance dents to allow for installation. Fitment Note Clearance Dents are NOT visible once the pipe is installed Fitment Note NO Expansion pipe should ever be used on a vehicle that is used on public roads - Offroad use ONLY! Fitment Note Fitment Note Items Included (1) Nickel plated pipe (2) Pre-installed o-rings (1) Instruction sheet Fitments 2010 KTM 125 SX 2009 KTM 125 SX 2008 KTM 125 SX 2007 KTM 125 SX 2006 KTM 125 SX 2005 KTM 125 SX 2004 KTM 125 SX 2008 KTM 144 SX 2010 KTM 150 SX 2009 KTM 150 SX 2010 KTM 150 XC