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The Cobb Tuning AccessPORT is the BEST, I believe, tuning upgrade for the GTR. Power response from all rpm improved dramatically immediately after the installation of the accessPORT. You immediately feel the beast power of the GTR. I put in an Amuse full exhaust and a K&N air filter kit, the car became the monster Godzilla in the street.
However, after the installation, the check engine light (CEL) illuminated. I used the diagnostics of the Accessport and reset the fault codes and the CEL was gone.
My only negative point on the AccessPORT w/TCM is the launch control. It set the launch control mode down to 3,600 RPM. I brought it to the drag strip and it continually bogs at the launch. So, I reset the TCM back to stock, launch the car using the launch control, the GTR didn't bog down anymore.
With the TCM, the GTR's transmission gear shift response is much faster than stock.
Overall, except the launch bog, the AccessPORT is an excellent product and a MUST BUY for GTR lovers.
Rating:  [5 of 5 Stars!] |
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