FMF Racing Fatty Header Pipe for 1998-13 Kawasaki KX100 - 020050 feed-mpn-PK1240 so the cup can be

so the cup can be larger than 3" above the 4" mark

2007-11 Triumph Tiger 1050

2013 Honda CBR500R

1980-84 Kawasaki KDX250

FMF Racing Fatty Header Pipe for 1998-13 Kawasaki KX100 - 020050 feed-mpn-PK1240 so the cup can beFMF Racing Fatty Pipe Part Number: 020050 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 With well over 35 years of racing experience behind it, the Fatty