Go to Crutchfield and they should have them in their install parts. Believed they were $12 for all the connections and plugs. They're usually sold in the stereo replacement kit and not separately though.
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2011 V6 Race Red - Roush Axle Back Exhaust, GT500 Steering Wheel, GROM Audio Bluetooth Module, Raxiom Aero Smoked Tail lights, Raxiom GPS