Introducing the NEW PES G4 MPI supercharger system for the VAG 4.2L 5V
engine group as well as the Audi R8 4.2FSI . At the heart of the system
is the PES cast aluminum intake manifold and an Eaton M90 supercharger.
This roots-type positive displacement supercharger delivers instant,
seamless boost throughout the RPM range. Eaton superchargers are used
as OEM equipment on Mercedes Benz, Aston Martin, and Jaguar
automobiles. The system is supplied complete with all parts necessary
for installation. More info and specs after the break.
The addition of forced induction necessitates enhanced fuel delivery to ensure the correct air/fuel ratio for performance and safety. The kit includes PES’s in house ECU recalibrating and offers ultra smooth drivability, and seamless power delivery. The G4 MPI system is the result of over 2 years of design and road testing using data logging software. Our vehicles are tested under a wide variety of driving conditions ranging from "easy" daily commutes to severe track conditions. We also test our systems in a broad range of temperatures, from bitter winter cold to blazing summer heat. Testing is also conducted using both Dynojet and Mustang dynamometers. We are so confident in the reliability of the system that we offer a one year, unlimited mileage warranty.
The G4 comes in 3 configurations for MPI 4.2L cars...STAGE 1Our low boost (5psi) kit with a power increase of approx 20-25% over stock. The Stage 1 system offers a real power boost that you can truly feel. This entry level system is designed so that it may be upgraded easily to the intercooled version at any time. $6495
STAGE 1 PLUSAn intercooled version of the 5psi kit with an air - liquid intercooler system producing a power increase of approx 35% over stock. This configuration was tuned for vehicles with Tiptronic transmissions. It offers excellent power with no worries of transmission failures. Stage 1 PLUS is also a great alternative for those with 6speed cars that want to add significant power while keeping the boost pressure down to the modest 5psi level due to poor available fuel or extreme ambient temperatures. $8495
STAGE 2Our 7psi kit is combined with our air - liquid intercooler system. This system is designed ONLY for Audi S4 6speed cars at this time. The system offers gains of approx 40-45% over stock. $8495
NON INTERCOOLED TO INTERCOOLED UPGRADEIncludes all the parts you will need to turn your Stage 1 system into the Stage 1 Plus or Stage 2 system without removing the manifold from the car! The Stage 1 system is designed so that it may be upgraded easily to the intercooled version at any time. The liquid intercooler core is inserted into the top of the intake manifold by simply removing the manifold cover plate. The system includes the liquid intercooler core, a heat exchanger which sits behind the bumper cover, a Bosch high flow coolant pump, a coolant reservoir/expansion tank, plus all the hoses, fittings, and wiring needed to complete the installation. When upgrading to the intercooled version your ECU will also be flashed to the stage of your choice
Source: PES Tuning
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