06-04-20 window sticker and VIN has a C. Zero issues in 15,000 miles with Whipple intercooler, ZFG E50 tune, UPR catch can, H&R springs and Magnaflow exhaust. That may change in the next few months when it gets the Fenfab DP's, CR Stage 5 Turbos, Nostrum HPFP and injectors with either E85...