This is the 512k 12200411 PCM-based RoadRunner, which is a replacement PCM that allows realtime tuning for the LS1 PCMs. It works with the 1999-2002 F-Body LS1 setups as well as many of the 2000+ V8 trucks. Will work with either EFI Live or TunerCat software (licenses available here online). PLEASE NOTE! Software is required to interface with the RoadRunner. Please acquire a license at time of purchase.
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