The engine noise is extremely important in high-performance vehicles. For many owners of freballs like this, a powerful, characteristc sound is absolutely essental. Many Mercedes and AMG models are already well equipped in this regard, not least thanks to their exhaust valves. But herein lies the rub: they generally do not open fully in the series versions – this only happens at partcular speeds or revs.
The company RENNtech Automotve, which has been specializing in the optmizaton of Mercedes and AMG models since the 1980s, has now provided the answer. Thanks to the Exhaust Valve Module EVM (www.exhaust-valve-module.com), the valve can now be controlled individually and can be fully opened at any tme – regardless of driving mode, revs, speed, etc. Two identcal remote-control devices come with the module: each has two butons, one for fully opening the valve and the other for returning it to factory setngs.
Installaton is quick and easy using the original connectors – just plug and play! No OEM wires or cables need to be cut or modifed, so the EVM can be taken out again without leaving a trace. Another advantage is that the module does not interfere with the CAN bus or any other control device. Furthermore, factory sofware updates have no efect on the functon of the EVM.
The module can be used with many current Mercedes and AMG models: from the A/CLA 35 and 45 (old and new), C 43/C 63 W205 2015+, G 63 to the G 500 (in some markets G 550), some versions of the E-Class (E 400 to E 63) and S-Class (S 500 or S 560 and S 63/S 65), the GLC and GLE 63, the AMG GT four-door coupé and all AMG GT two- door cars.
However, the module can also be fted in many other vehicles with exhaust valves, such as an Aston Martn, Audi, BMW, Land Rover or Porsche.
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