Real horsepower gains without sacrificing safety only happens when every detail is dialed in. That’s what iE does best. The iE IS38 Map Pack upgrades your GTI’s factory engine computer with custom programming built specifically for the larger IHI IS38 turbocharger. Smooth, predictable power with none of the harshness, lag, or unpredictability of generic setups. More power, stronger acceleration, and a pull that keeps building long after the stock turbo gives up.

GO BEYOND STAGE 2

The IS38 turbocharger comes factory-equipped on the Golf R and Audi S3, making it a proven, direct bolt-on upgrade for GTI, GLI, and A3 2.0T engines. Larger than the stock IS20 turbo, it flows more air to deliver a serious increase in power and acceleration. The iE IS38 Map Pack upgrades your factory engine computer with custom programming calibrated specifically for the IS38 turbo, eliminating risky behavior and safely releasing its full potential. Smooth, safe power with a confident pull and the refined drivability iE is known for.

ALL PROS, NO CONS

Enjoy beyond–Golf R performance in your GTI without sacrificing spool, comfort, or daily drivability. After months of development and real-world testing across different cars, climates, and driving conditions, this IS38 calibration delivers power you can rely on everywhere. Intelligent AutoProtect safety logic constantly monitors engine conditions and instantly reduces power if something isn’t right.