Below are comparision dyno tests as performed on our Mustang MD-500-SE AWD dyno.

AWE Tuning S4 downpipes vs stock downpipes

(Above) Dyno comparison of stock vs AWE Tuning S4 downpipes. Power is to the wheels (multiply by 1.28 for crank power). AWE Tuning downpipe horsepower is green line, AWE Tuning downpipe torque is blue line.

(Above)Graph of measured differences between baseline and test in dyno sheet of AWE Tuning S4 downpipes vs. Stock. AWE Tuning S4 downpipes produced a peak increase of 11.7 ftlbs at 3750 rpms and an increase of 8.3 hp at 5500 rpms to the wheels vs. the stock downpipes. Notice, however, that at ~3000 rpms, AWE Tuning downpipes produced a 17 ftlbs increase, and at 6250 rpms a 24 hp increase. That's ~15 ftlbs and 31hp gains at the crank!