Feuling, 3" 70mm ID velocity stack. No backing plate

3" tall high flow billet aluminum velocity stack; 4" (102mm) opening with internal taper down to 70mm ID. Fits M8 70mm throttle body with 3-hole bolt pattern as a direct bolt on to the throttle body. Will also bolt onto air cleaner base plates containing the factory 3-hole bolt pattern; depending on the base plate used this can be used with standard head breathers. Known base plate fitments include; FEULING; K&N and Trask.Impressive HP and TQ gains on engines running modified and ported cylinder heads and intakes with larger throttle bodies. Great performance part for racing and for those that want to head to the track on the weekend. MADE IN THE USA. Note: Special Order Product only. To order please contact your MCS sales representative.