I just got a Rocketchip Stage 1 for my 2006 Jetta. It is like getting a new engine without a mileage hit. I have been very happy with the performance. I have been seeing more smoke, but that is all behind me now
VW TDI forum, Audi, Porsche, and Chevy Cruze Diesel forum
A forum community dedicated to Audi, Volkswagen, Porsche, and all turbo diesel owners and enthusiasts. Come join the discussion about performance, modifications, troubleshooting, TDI, maintenance, and more!