APR Iridium Pro Spark Plugs for the 2.9T/3.0T EA839, 4.0T EA825, 2.0/2.5/3.0/3.7T 9A2

Track Tuning 101: Here's Why Sway Bars Should Be At The Top Of Your Mod List

APR Ultralink Expands to cover the Audi RS3 (8V) and TTRS (8S)

APR Presents All-New Racing Rod Technology: VCRRR

The Mindset Of Making Power: How APR Develops World Class Tuning Solutions

Improve Handling on your B9 Chassis A4/5, S4/5, RS4/5!

Introducing the APR Exhaust System for the Audi SQ5

APR Stage 3 DTR8563 Turbo System for the 2.5T