Here are some mods that you can do to your A4 B8 that will breathe new life into it without breaking the bank.
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Design Details: IE engineers set out to produce the highest performing cold air intake that looks great and fits like a factory installed part in your Audi A4 or A5. The latest in computer design and 3D scanning technology were employed during the development process for a perfect fit and maximum performance. The final product resulted in the greatest performing and best-looking intake available.
IE Audi 2.0T TSI Cold Air Intake | Fits B8/B8.5 A4 & A5
IE Stage 1 Performance Tune (2009-2015) For Audi B8/B8.5 A4/A5/Allroad - IESOCGT1 - 75020462 - USP Motorsport
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Modifying Your Audi A4 2.0T B8/B8.5(2009-2015)? Check This Out!