Go Fast Bits' Respons TMS, or Turbo Management System, blowoff and bypass valves are specifically designed for turbo lag reduction. Go Fast Bits has found that their valve has the ability to return a vehicle back to boost after shifting gears as much as 30% faster than the stock bypass valve. This is critical when it comes to maintaining engine performance at all times. Go Fast Bits also utilizes their patented adjustable venting bias system to allow the end use to adjust how much air they would like to be recirculated or vented to the atmosphere. It's not just a one or the other setting. You can infinitely vary the bias of recirculation or venting.