I don't think so. Its claims like this and those from chip and intake tuners that prompted me to buy a Dynapack chassis dyno. John, I think you should try to avoid stating actual numbers that can possibly get you or Bekkers in trouble if the customer's car doesn't hold up to your claims on the dyno. I've also seen hp gains with accessories and huge drop in torque. SD (PS- some Porsche turbo tuner claims are really exaggerated...500, 600, 750hp on street cars????)