Audi B6 A4 1.8T Quattro Upgrades for More Power – ECS Tuning

When someone mentions Audi in the context of modified cars, what comes to mind are generally B8 A4s, B5 S4s, the R8, anything with a 5-cylinder, and the likes. Often far down that list, if it’s even present, is the B6 A4 1.8T Quattro. Not for any intrinsic reasons, it’s a great car

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