Hello, I have sort of a dilemma I have a 2015 GMC Yukon Denali 6.2 L that I purchased brand new from the dealership and I had it transported to Hennessey‘s performance in Texas where they installed the Whipple supercharger I’ve now had the vehicle eight years and I’m in California the other day I went in for my smog check and it did not pass. The message saying :