Re: 2006 Noble M400 #141
I know almost all of the evo guys running the newer BW EFR stuff ditch their wastegate or their so called "high pressure canister" or whatever they call it. Mainly as it just doesn't hold boost at all. Not sure if they are quality or not or just simply don't have enough spring pressure though.
Might be worth swapping those out if you find them to be the culprit.
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