Stage 1 ECU tune that resolves rev hang and throttle hesitation to deliver an aggressive power jump for VW 2.5L 5-cylinder models (Rabbit, Jetta, Golf, Passat, Sportwagen, New Beetle) directly from your smartphone.
Buy Integrated Engineering Software from 9/3/26 - 9/30/26 for a chance to win your Software for FREE!
Stage 2 ECU tune designed for use with an IE Performance Intake Manifold to maximize naturally aspirated power gains across the powerband for VW 2.5L 5-cylinder models (Rabbit, Jetta, Golf, Passat, Sportwagen, New Beetle).
Buy Integrated Engineering Software from 9/3/26 - 9/30/26 for a chance to win your Software for FREE!