134K views · 508 reactions | A common question I get asked is, "How do I make my car sound like it's got a dump valve?" Well, with a decent induction kit, just allow the throttle pedal to flick back up as fast as possible. I side step off with the edge of ya foot shoulder do the job. This will give a nice clean crisp dump of the boost. Let me know how you all get on. | R-Tech Performance Tuning | Facebook