Here, the new Audi S4 B8 3-liter V6 Supercharged is dyno tested in standard form, with a Milltek Sport cat-back exhaust and then finally with both Milltek exhaust and an MTM remap supplied by QSTuning. It shows some truly impressive power gains.
Audi, s4, v6, supercharged, b8, power, testing, dyno, upgrade, remap, exhaust, milltek, mtm, qstuning