Description This listing is for: 1 x Genuine Stomp Pit Bike CRF70 Oval Big Bore Race Exhaust This exhaust is designed to work with engines up to 160 cc (unrestricted).  It will also fit the majority of CRF70 styled pit bikes. Perfect replacement or upgrade on all CRF70 style pit bikes with the larger racing engines. This pipe is a must have upgrade for the Super Stomp 140 Spec:- – Big Bore Chromed front pipe with full length heat shield – 28mm internal bore – Up to 38mm towards the rear of the pipe.- Large bore Aluminium riveted Racing wrap muffler – Complete with CNC mounting slip bracket- New Gasket- New exhaust nuts Will fit various Stomp, Demon X & Welsh Pit Bike models as follows: – Stomp Z140cc – Stomp Z2 140cc – Stomp Z2-R 140cc – Demon XLR 140cc (Not DXR, DXR-2 or XLR-2) – Demon XLR 160cc (Not DXR, DXR-2 or XLR-2) – WPB125 (NOT WPB Race 125) – WPB140 (NOT WPB Race 140) – WPB160. (NOT WPB Race 160) ** Please check out our other listings for many more Genuine Stomp Components**