Originally Posted by ShuuraRG

A tune seems almost necessary for Nismo's after upgrading both exhaust and intakes. After I installed my exhaust, last month, all was fine. However, a few weeks later I installed my Stillen Gen 3 intakes and the car started going limp mode after every WOT. Turns out that the Nismo's are tuned pretty lean from the factory with OEM parts. Without a tune to compensate for the parts, I was relegated to eco-driving. Now that I've begun tuning with Seb, all is well and so much fun!