9th May 10 You installed a unit on my Audi Q7 earlier this year. It has totally changed the vehicle. The acceleration is phenomenal and the big added bonus, I now get between 30 and 32 to the gallon, compared with the old 25-26 to the gallon. Soon pays for the kit at today’s prices for fuel. will be please to add my thanks and recommendations to your Testimonials on the website, Regards Keith