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ENGINE > Audi B8 S5 4.2L FSI V8 Stage III Supercharger System (2008+)
Audi B8 S5 4.2L FSI V8 Stage III Supercharger System (2008+)

Description

APR presents the Audi B8 S5 4.2l Stage III supercharger system for S5 vehicles manufactured from November 2008 and beyond.
APR’s Engineering Teams are pleased to present our second iteration of the Audi 4.2l V8 FSI Supercharger application. Producing over 537 HP and 443 ft-lbs of torque, APR’s B8 S5 Stage III adds over 187 horsepower which completely transforms Audi’s latest coupe to new levels of acceleration and performance.
Applying forced induction to a normally aspirated production engine is no simple task and APR’s Engineering Teams understand that new innovations, processes and components must be incorporated into the design to insure OEM reliability and drivability while producing incredible performance results. Within APR’s Stage III, you will find more components and higher quality parts at every comparison than with any of the competing products currently available. The goal of APR’s design was not merely fitment and operation but consideration of the long term effects of such a dramatic power increase and the overall reliability of the vehicle. Extra steps must be taken to insure Performance Without Compromise.
Not only will S5’s equipped with APR’s Stage III produce blistering increases in wide open throttle acceleration, daily driving is greatly improved with increased torque and horsepower available in even the lowest rpm’s of the power band. Less downshifting for passing and greater rates of acceleration at all points result in a driving characteristic of pure enjoyment in all situations. Both Drag Racing and Road Racing demands are taken into consideration during the design and calibration process in order to provide a well rounded solution for all enthusiasts.
APR's HTV1320 Supercharger, Intake Manifold, Supercharger Inlet Feed and Intercooler Cores are pre-assembled and pressure tested prior to final delivery to the end user. Control over such a delicate assembly process reduces installation labor rates and certifies the operation of the primary components in the Stage III supercharger system. Eliminating guesswork and facilitating installation are further testaments to APR's achievement of an all inclusive and exclusive offering for the Audi S5.
*S5's with a build date of November 2008 and newer require an OEM fuel line conversion system