Fitment Information Audi A4 (2009, 2010, 2011, 2012)  Note: These headlights DO NOT require a CCFL inverter Halogen Model Adding HID/LED bulbs will void warranty Not Compatible with Xenon/HID Model Xenon/HID Model Not Compatible With Halogen Model Specs & Features Direct fit replacement for your OEM factory lights Weather sealed to keep water and dirt out Easy plug-n-play install Instant illumination - no need to wait for the lights to warm Bright LED's to add style and make your vehicle more visible Sold as a pair Product Description Spyder Headlights offer an updated look to your car or truck with the latest in lighting technology.  Each application is a direct bolt in replacement for your factory headlights, making installation as easy as possible.   These projector headlights are designed to improve looks and visibility for your vehicle. They are made by OEM approved and ISO certified manufacturers. They are made with OEM standard quality and are designed for stock lights direct replacement. The quality lighting products offered by Spyder Auto are compliant with all applicable federal regulations. Unless otherwise noted, all products are D.O.T. Compliant and satisfy Federal Motor Vehicle Safety Standards (FMVSS) code no. 108 and are not only ISO-9000 certified but also ISO-9002 certified as well. As further proof of regulation compliance, Spyder products are also approved by the Society of Automotive Engineers (SAE). State and local laws may vary. Spyder offers a 1 year warranty on these head lights when purchased through Redline360 (an Authorized Dealer).  Adding LED bulbs or any modifications to the lights voids warranty.