RENNtech EVM | Exhaust Valve Module | C-Class Pre-FaceLift MY2015-18 audi-rs4--8k---2012-2015--4-2l-v8-fsi-esr2470407 This type of tooling has

This type of tooling has optimal durability

RENNtech ECU Upgrade for 996 Turbo 3

this slippage becomes a liability once cruising speed is achieved

Our proprietary ECU upgrade for the Mercedes M276 engine offers huge gains in performance across the entire RPM range without sacrificing around town comfort or daily driver reliability

212 - E 63 AMG BiTurbo 4-MATIC (MY2010-2013)

RENNtech EVM | Exhaust Valve Module | C-Class Pre-FaceLift MY2015-18 audi-rs4--8k---2012-2015--4-2l-v8-fsi-esr2470407 This type of tooling hasRENNtech Exhaust Valve Module Permanently Open Exhaust Flaps. 205 C Class AMG Models Pre FaceLift MY2015 18 EVM Exhaust Valve Module (Remote Controlled) NOT SO FUN FACT: If your Mercedes AMG is equipped with factory exhaust valves, with or without a center console button to open or close them, factory settings do NOT allow the flaps to fully open unless certain speed and or RPM have been reached. For example, while cruising the exhaust flaps will