R35 GT-R
I have a freshly finished up 4.1L built GTR,
Shep 1k, BL1300x, Motec, 12 inj, and I just had exhaust dumps installed, removing the BL 4.5” magnum that was on before. When I started the car this morning I got a check engine light, which has never happened due to it being cold before, I asked the...