Reviewed By Rick A (Los Angeles, CA) Reviewed for a 2009 Audi A4 —6/14/2017 12:44 PM
Very straight forward install. The only problem was removing the MAF Sensor with the supplied T-20 bit as it did not fix but was able to loosen the screws & make the switch. Notice the gains instantly with the acceleration & the turbo sounds bad-ass winding up. Easy purchase for instant power.