RENNtech EVM | Exhaust Valve Module | 172 - SLC 43 AMG; 253 - GLC AMG Models SUV + Coupe mercedes-benz-s-class-coupe-140---1992-1999--sec-600-esr4155053 This system significantly reduces the

This system significantly reduces the overall vehicle weight and delivers extra power and a sporty sound

Gains: up to 10HP & 15 TQ

RENNtech Stage I Turbo Upgrade Package for M133 - 45 AMG Turbo Series

Note: This item requires cutting off the factory airbox snout

RENNtech EVM | Exhaust Valve Module | 172 - SLC 43 AMG; 253 - GLC AMG Models SUV + Coupe mercedes-benz-s-class-coupe-140---1992-1999--sec-600-esr4155053 This system significantly reduces theRENNtech Exhaust Valve Module Permanently Open Exhaust Flaps. 172 SLC 43 AMG; 253 GLC AMG Models SUV + Coupe 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