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I just got my HKS downpipe. I want to know how much boost will increase with the addition of this downpipe? currently i have intake and catbak on my car. I am running around 10-12 psi boost. If the boost increases a great deal should i avoid WOT?(Coz currently i dont have the money to buy an aftermarket ecu)
since you don't have the money for an ecu, i would go out and get the home depot boost controller. that way you will easily be able to hold boost at 10-10.5 psi. that should be safe on the stock computer. once you get that done, you can do wot anytime you want. nick