I was supposed to take my car to the track today in Sacramento for test and tune but I got a call from the shop at the last min saying that the tranny is slipping in 3rd gear. It seemed fine 3 months ago when I had a 3 inch dp, 70gtq turbo, and stock headers(19in rims with street tires= no grip). I decided to finalize my S1 build because I wasn't satisfied with the power it was putting out so I got a 3.5" dp, tial V60 external wastegate, TA headers, and a dual BB 74 HPS turbo. I also took the 19's off and put 16 inch GNX style rims on with MT street slicks. This is very upsetting I'll appreicate any help as well as info on some good tranny builders, I'm located in San Francisco bay area... Thankx in advance:frown: