Jcsportline fits Audi A4 B8 Base Bumper 2009-2012 Carbon fiber Front Chin Spoiler(Non Sline & S4) Fitment: This Front Chin Spoiler fits Audi A4 B8 Standard Bumper 2009 2010 2011 2012,not fit for Sline & S4 bumper. Material: Carbon Fiber,Made by approved & certified manufacturers with materials that meet market requirements and road use regulations. Installation:This Front Lip Spoiler is installed with self adhesive tape and screws,highly recommend professional installation. Package:1 pc front chin spoiler, self adhesive screws and a roll of self-adhesive tape. The Front Lip Spoiler with glossy look and stylish design, it will works fine and enhance overall performance in handling and durability. Please check the item and accessories in the package. Preparatory work(electric hand drill,3MM drill,screwdriver,screws.) Rise the car with lift,two people hold the front lip and let it align with the front bumper,another person put the front lip to the best location and press it tightly. People on both sides hold the front lip and another person aims at the preformed holes on the bottom of the front lip with 3mm electric hand drill and start drilling. Fix the front lip with self tapping screws through the holes,and ensure the screws are tightened. Use the same way to drill both sides and tighten the screws,and the installation is complete.