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Rated by RENNtech: 638 HP @ 5
Please note that the Mercedes M177 engine performance when measured
RENNtech performance software unleashes your McLaren's true potential
0 V8 BiTurbo EQ Boost -engine
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
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