I'm not going to get into a what the lit will make, I am only speaking from experience and having every upgrade for this kit and running 12 PSI and making 457 WHP. I know all dynos are different some guys will inflate theres' Reason being IMO not to make that much WHP os the motor wont last I only had mine for 3 days and BOOM,( Not the only one) Point is run from the tuner and find another place.
Stillen Kit is Great for what it is,. And that's 420-430WHP an that's all, Again IMO.
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14 Q50 AWD, ARK, ECUTEK (SEB), Takda,
Last edited by ANMVQ; 09-29-2014 at 08:51 AM.
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