Audi S4 VR Tuned Tuning Box 0-120mph Run VRTuned.com June 23, 2015 Product Info Check out this video of our our customer's 3.0L supercharged Audi S4 doing a run from nothing to 120mph with the VR Tuned Tuning Box Kit. The plug and play kit really boosts the performance of the S4 without...