I just went from a '13 RS3 with the VMP 675HP upgrade to a '15 RS3 with the Roush 727HP upgrade. Had a chance to run them side by side on the street before I sold the '13. They pretty much ran neck and neck with the '15 just barely quicker. As expected, the Roush tune is much softer than the...
I'm happy with mine, but I'm not out trying to win races or HP wars. I think if you're looking for a major WOW factor improvement you will be disappointed with the Roush tune. If you're just looking for a simple small bump in power like I was, you will be happy.
I just did the Roush Phase 2 727hp upgrade to my phase 1 setup. It's a nice little bump in power, but honestly not a dramatic difference. The Roush tune definitely lacks some nuts, but overall I'm happy with it and feel it was money well spent.
2013 Roush stage 3. Roush Supercharged 5.0 V8. Extremely well cared for and super clean with only 10,452 miles. Always garaged and only driven on sunny days. Car is immaculate with the exception of some scratches on the front splitter and a small area above the right tail pipe (see pics). Brembo...