Eventuri Carbon intake system for Mercedes Benz A35 AMG | CLA35 AMG and A250

*Some photos show the optional carbon turbo pipe.

The pipe is available here: Eventuri Turbo pipe for A35AMG

Fits: Mercedes A35 AMG, CLA35 AMG, A250, CLA250

Power increase: 15-20hp, 15-18ft-lb

The Mercedes A35 AMG Eventuri intake system is designed to provide a less restrictive flow path for the turbo while keeping intake temperatures low. Reducing heat pull and increasing internal volume are the main considerations when designing an intake system for turbocharged engines. On the A35, the intake system is located in close proximity to the exhaust manifold, which heats up the engine bay quickly. High temperatures are detrimental to engine performance as the turbo must build boost pressure using heated, less dense air. Therefore, the only way to keep IAT to a minimum is with a fully sealed intake. To reduce the restrictions of a closed intake, we increased the volume of the airbox by relocating the ECU and providing an opening in the airbox on the cold side, away from the direct heat of the manifold. The carbon intake pipe has a larger internal volume with an initial internal diameter of 111mm (4.4?) that gently tapers to match the turbo intake pipe diameter. Finally, we use a custom made high flow dry filter that is ISO approved and has a larger filtering area than the stock filter.

Dyno tests:

The dyno testing was carried out by MSL Performance, a Mercedes specialist based in the UK. A completely stock A35 AMG was tested with the stock airbox and then with the Eventuri intake system, with external conditions being the same. As can be seen below, the intake offers a power gain throughout the rev range. The highlighted point shows a significant power gain as the intake allows a higher flow rate in the higher rev range, where the stock airbox becomes a restriction. The resulting power gains are noticeable on the road, with better throttle response and improved acceleration times. With a tuned A35, we would expect even better gains as the turbo's demand increases.

The Eventuri A35 intake system is made up of a number of components designed for a specific purpose and manufactured to the highest standards. We use 100% pre-preg carbon fibre with no glass fibre, meaning we can achieve a smooth internal surface to get a more consistent airflow. Here are the details for each component and the design ethos behind them:

Each intake system consists of:

carbon airbox

Custom-made high-flow dry cone filter

carbon intake pipe

CNC-machined intake flange

Laser-cut stainless steel brackets and ECU cover

silicone coupling with OEM clamps