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So far GRD has the best deal. AMS cannot convert their dyno for FWD. Autowerks is a bit too much.
Im not sure what you are talking about here. We have a 248C Dynojet 2wd dyno. We can dyno any car with an ignition system that is fwd or rwd. We also have tailpipe Dynojet wideband and bung mounted AEM Uego wideband service available.