PERFORMANCE GAIN: 17-20HP, 11-20FT-LB (B58)
While retaining heat within the exhaust is a fantastic tool to optimize the thermal efficiency of a turbo, it is detrimental for overall engine performance on the intake side. Eventuri has once again implemented a sealed system with a gold reflective heat shield to help combat heat, but the G42’s design—like the G20 before it—features a clever secondary feed via the wheel arch area. Airbox volume has also increased while bearing in mind a recess for potential strut braces.
THE AIRBOX FEEDS: EXPLAINED
The stock airbox draws air from a single duct which extends to the front bumper area. During development we identified another area to draw cold air from which was a gap between the wheel arch and the chassis on which the airbox sits. To utilize this feed, we extended a scoop at the back of our design which protrudes into the wheel arch and can even be seen after installation behind the front wheel. This second feed allows the turbo to draw from a larger area therefore reducing the restriction.
TURN UP THE VOLUME
Volume increases in the intake tube as well—Eventuri’s smoother flowing tube boasts a 4.3” internal diameter (versus 3.2” OE) that tapers down to match the turbo inlet. This equates to a massive 82% increase in cross sectional area over stock while also eliminating the turbulent flow path inherent to the flexible, factory accordion tube. Eventuri’s version also features a CNC machined fitting for the temperature sensor and breather adaptor.
BESPOKE CONE FILTER: EXPLAINED
Our cone filter is made from a non-woven mesh material which is double layered and is ISO tested to ensure that filtration is in line with OEM standards. The filter is cleanable and very stable at high temperatures with the base material being Urethane. The filter incorporates and internal flow guiding cone to help aid the airflow to converge while reducing the possibility of a stagnation point in the middle of the filter space. The filter medium has a significantly larger surface volume than the stock panel filter.