82 mm Throttle Body Upgrade for 63 Series (M156 Engines) porsche-boxster--981---2012-2016--boxster-gts-esr7596289 Rated by RENNtech: 638 HP

Rated by RENNtech:               638 HP @ 5

93+ Octane gasoline is mandatory with this Performance Package

9 at 3100 rpm            Weight  kg 9

CLASS E (W 212) 300 4-matic Blue Efficiency (HP: 252 | Year: 11 > )

With the proprietary RENNtech ECU+ Tuning the W463 - G550 4x4² gains up to +102 HP and +128 LB-FT

82 mm Throttle Body Upgrade for 63 Series (M156 Engines) porsche-boxster--981---2012-2016--boxster-gts-esr7596289 Rated by RENNtech: 638 HPThrottle 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