The iE Stage 1 ECU tune is a simple flash-only upgrade that overhauls the factory engine computer and delivers instant power. Enjoy a broader powerband, a thrilling 7000RPM rev limit, enthusiast drive mapping, snappy thorttle response, removed speed limiters, and increased boost pressures for faster 0-60 times and stronger acceleration. Stage 1 can be installed on a stock vehicle and adapts to intake and intercooler upgrades. Includes 91, 93, 104, and E85 octane options. Features: Innovative mobile tuning for an easy install Thrilling power and acceleration gains Stage 1 delivers up to 457HP and 460ft-lbs TQ 91, 93, 104, & E85 fuel maps (95, 98, 108 RON) Compatible with stock hardware or basic bolt-ons Available with matching transmission tune Full torque power with or without transmission tune Power Results North American Region (NAR) = AKI / Rest Of World (ROW) = RONDyno numbers are for reference against stock numbers only. Personal dyno results will vary depending on fuel quality, local conditions, dyno brand, and correction factors. Peak numbers require transmission TCU Tune (sold separately). Stage/Fuel Horsepower Torque Stock VW Advertised Numbers 315 HP 295 FT-LBS Stock IE Dyno Numbers 324 HP 330 FT-LBS Stage 1 91 AKI / 95 RON 385 HP 403 FT-LBS Stage 1 93 AKI / 98 RON 397 HP 407 FT-LBS Stage 1 104 AKI / 108 RON 441 HP 449 FT-LBS Stage 1 Ethanol E60-E85 457 HP 460 FT-LBS Required Hardware Stage 1 Part Upgrade Compatible Requirement TCU Tune Recommended Air Intake Optional Intercooler Optional Catback Exhaust Optional Downpipe Optional