The Austrian Tuner O.CT Oberscheider Tuning presents a new engine upgrade for the Seat Leon Cupra and VW Golf GTI. The standard output can be increased from 200 and 240 horsepower, up to 315 horsepower. Stage 3 of the O.CT Tuning engine program includes an ECU upgrade and a moderate increase in boost. When combined with the sport exhaust system and racesportcat, the Golf GTI output rises to 270 horsepower, while the Leon Cupra cranks out a whopping 315 horses.
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