Hi, I searched but couldn't get a good reply on this topic: I just reflashed my 2014 GTR with the AP Stage 2+ tune. It has Cobb 3" intakes, AMS Downpipes, an AAM midpipe. I also put my rear O2s on the end of minicat spacers, to really make sure I didn't run into catalytic converter related...

Help, i'm paranoid!! Was driving back today from Ny to Bos, floored it a few times and played around with a Turbo S. Temps were all normal. I was bored at one point on 6th gear letting go of the gas pedal and then gently tap it to hear that exhaust "pop". A few miles later I get a "Engine...

Okay guys, need some help with this one... 2012, went from AAM catless midpipe/cobb AP to full bolt-ons/ecutek. Car drives great, tune is good as far as Ben can see. But I have a couple of issues. Here's my mod list: - Asnu 1100's - DeatschWerks DW65C pumps - KP Catless downpipes...