ppe xcellorator hot et 2 eliminator will eliminate that code 
magnaflow or mbrp are what i would look at... and alot of people are running the same intake i got its just about the best bang for the buck
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08 LMM, PPE Xcellerator Hot ET2 Eliminator tune level 6, AFE stage 2 intake, 5" Magnaflow turbo back stright pipe, edge insight, ts performance power play mp8 module |