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    Brenspeed Tune, Failed PA Emissions Testing... help!

    Same thing happened to me. I ordered a tune for my new air cleaner and told them it must be emissions legal. I repeatedly failed till I paid for diagnostics to find out it was turned off. Brenspeed did confirm that the rear o2's were turned off and for a "$10 fee" they would turn them back on...
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    Thinking about changing coolant in this way...would like comments

    I have a '07 with 15k on it. I have had concerns about changing the coolant because the manual says 5yr/100k. Would it be an acceptable plan to, once per year, pull the hose off the expansion tank effectively draining that and the radiator, then putting back in 50/50 distilled water & the gold...
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    2006 Mustang GT CutOuts????

    I have the QTP package (2 cutouts & cut electronic flanges) on my 2007 GT. I dont know how to weld, and went to a performance shop. They put them right after the cats. The sound is very quite at idle and awesome when accelerating (but not too loud). I cant keep them like this though. It...