Over Two hundred of these kits have sold on this forum alone. Its been going for 6 years and I have never had one back or a single complaint. Fits perfectly first time and does what it says on the tin.   I now have these back in stock     This is what the kit is   2006 Airbox conversion kit (Velocity Stack) £37.00 + P&P £5.50. (First Class Signed for) Total price £42.50   Made from 1.5mm thick metal (mild steel) and then zinc plate