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Please note that the Mercedes M177 engine performance when measured
TCU Upgrade: TCU upgrade elivers faster acceleration by matching the power output of our ECU and Turbo upgrades with increased Clutch Torque Limits
RENNtech Credit Cardholder / Billfold made from premium 3K Carbon Fiber and Aluminum
RENNtech tuning software for Rolls Royce offers significant gains in performance and throttle response without sacrificing your Wraith daily driver reliability
A refined blend of heritage and craftsmanship
82 mm Throttle Body Upgrade for 63 Series (M156 Engines) porsche-boxster--981---2012-2016--boxster-gts-esr7596289 Please note that the MercedesThrottle Body Upgrade for M156 63 AMG Engines. Our proprietary 82mm Performance Throttle body package offers a 22% increase of incoming air volume. This translates into a noticeable gain in both overall performance and throttle response with a performance increase of 11hp & 8 lb ft. RENNtech throttle body assemblies were designed and engineered in house and a re a bolt on component requiring no modifications to the intake manifold. Our throttle