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Is there anyway my 2013 SS L99 convertible with just a C.A.I. CAI, VMax TB, Range AFM delete, stock Pzeros with drop coils and ZLspec sways could run 12.9? Of course, I would have to have nice temps and a good 60'. Not interested in putting on headers in California and I am trying not to void the warranty. I see that stock LS3 convertibles run +/- 13.2, but, I haven't seen or heard of any L99 convertibles in mainly stock daily driving trim do this.
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