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36 Posts
When should one consider an ECU reflash? I want to add hi-flow crawford cats and eventually the headers next year. Is it necessary (reflash) to achieve maximum performance with mods?
Late.
Drew
--'03 FX35 Crawford Plenum, Stillen CAI, Z Tube, Stillen Cat-Back
Late.
Drew
--'03 FX35 Crawford Plenum, Stillen CAI, Z Tube, Stillen Cat-Back