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McLaren 12C ECU Flash Upgrade with PBox Times

Screen Shot 2016-09-14 at 1.10.29 PMThe McLaren 12C ECU flash is just one upgrade that takes this 3.8L twin turbo supercar to a whole new level. Having ripped the 1/2 mile to 168mph in our 12C, we at Vivid Racing love to prove our product and provide customers with the same remarkable experience. This particular ECU upgrade was done for a McLarenLife forum member ...