Update from me. Fitted DPs (Catless) and car would go into limp mode at high rpm and speed. Changed everything but eventually had it re mapped by Evolve. Now running 752hp (run on a local dyno I've used for years which gives a solid reading if a little low compared to most). Also had the cold start cycle removed and the cars a dream now. Absolute animal once it grips and pulled off the speedo with 7th to go!
Seems the tune has too be perfect to run decat DPs and DMS couldn't manage that.
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