2007 GT500 and up SCT tuner, had it on my KR and did wonders, plug and play.
2007 GT500 and up and 07 V10 Truck Twin 65mm Throttle body BBK Throttle body item #1764
Both for $200+shipping
2007 GT500 and up and 07 V10 Truck Twin 65mm Throttle body BBK Throttle body item #1764
Both for $200+shipping