Are you driving a MK4 and still running stock? 😳 You’re leaving performance on the table. Integrated Engineering (IE) parts are purpose-built to extract the full potential of your 1.8T. 👏 Here’s why serious MK4 owners make the upgrade: they tested their parts out in real-world and track environments. Pairing any IE upgrades with their software is a match made in heaven, and this is stuff that is actually designed for the MK4, and isn’t a repurposed design from another chassis. Not to mention, you can get up to 15% off IE software from now until 5/28 as well! If you’re serious about waking up your MK4 and making every dollar count, Integrated Engineering is a foundation for building something better. Search Integrated Engineering on ECS and see what your MK4 could be. Want an added bonus to scoop up some IE goodies this weekend? Any IE part you snag between now & 5/31 will net you 5X the entries into our 8Y RS3 sweepstakes. No purchase necessary. Void where prohibited. See offic...