A good bit. Dp alone can gain 50-60ftlbs in the midrange. A friend runs 12.5'[email protected]
with just dp, s-afc, and intake.
Indeed TXS is now running 430+whp and 450+wtq with just exhaust, FP Green, modded stock injectors, and ECU. The clutch was slipping on the dyno too. Sick really.