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Do any of you recommend sending your intake manifolds or the hot side of the turbos to Extrude Hone to have them polished? Then possibly to Swain for the ceramic coating? I've heard that the ceramic coating helps keep the heat down....can also be done on the exhaust manifolds and increases the flow efficiency. I saw the video clip from Extrude Hone and it looks like a great process that may have merit.
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1987 factory Slantnosed 930 Cabriolet/Guard's red
2002 Midnight Blue 996TT X50
1999 Iris Blue 996 (Dash fire burned and totalled 9/07)
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