S5 Performance & Mods
Searched around, didn't find anything so here it goes.
http://www.pes-tuning.com/so_g4.aspx
PES is now offering a SUPERCHARGER for the 4.2L engines of Audi!!! :) Starting price for Stage 1 is $6495 and offers a 20-25% increase in HP. :2thumbsup:
And that's just Stage 1! :yikes:
Fingers X-ed...