STaSIS Challenge Edition Audi S4 2011 Pictures 
STaSIS Engineering show off their new Audi S4 Touring & Challenge Editions
Snooping around the factory supercharged V6 they managed to find a few ways to boost the power by 77 horses up to 410bhp and the torque to 370 lb-ft. The UK importer of Sportec tuning products, APS will also make the S4 model available in Europe in either Touring or Challenge guise. Whereas the Touring model gets an upgraded suspension, brakes and 19 or 20" alloys, the Challenge Edition gets an even larger variety of performance brakes with 6-piston callipers and also some very light forged alloys.
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CAR MAKE & MODEL
STaSIS Challenge Edition Audi S4 2011 Pictures
CAR REF NUMBER
36141
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