RENNtech | Carbon Fiber Airbox | M157 | 63 AMG | 5.5L BiTurbo V8 Series porsche-911--992---2018-present--turbo-s---cabriolet-esr1556107 With the proprietary RENNtech ECU

With the proprietary RENNtech ECU Plus Upgrade the W166 - GLE AMG SUV gains up to +41 HP and +62 LB-FT

and tested in house at the RENNtech headquarters in Stuart

GL 450 BiTurbo (X166 - M276 Biturbo 4-MATIC Engine) Modified Performance:

The intakes’ smooth flowing design sends more air into your turbos ensuring that your engine gets the volume and airflow that it needs

The maximum power number reached with the RENNtech ECU Upgrade for the E450 is 392 HP and 463 LB-FT

RENNtech | Carbon Fiber Airbox | M157 | 63 AMG | 5.5L BiTurbo V8 Series porsche-911--992---2018-present--turbo-s---cabriolet-esr1556107 With the proprietary RENNtech ECUUsing the highest quality pre preg carbon fiber, our 4 piece airbox kit for the 63 series biturbo M157 engine comes complete with flow optimized turbo tubes to maximize engine performance by increasing the volume of incoming airflow. The carbon fiber airbox was designed, engineered and manufactured in the USA using only industry leading materials to ensure long lasting durability and appearance. Our carbon air box is able to offer gains up to +10 hp