Looking for in-stock aftermarket parts to modify or upgrade your 2009 Audi A4 Quattro with in-line modules? At Tunersports.com we carry a huge selection of the top name brand performance in-line module parts and accessories for your A4 Quattro.
Whether you have a 2009 Audi A4 Quattro in Avant to Cabriolet trim we have you covered. We have 1 in-line modules available to mod your A4 Quattro. All parts have free shipping to the Continental US 48 States.