Ive never seen mac ceramic headers. They have what is called hts coatings on them, which is a coverup for high temperature spraypaint. This is fine, but dont scratch them on the install(virtually impossible). I scrathed the hell outta mine, and now they are rusting.
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89 notch-finally not stock!! ported gt40's, ported cobra intake, 65mm tb, 75mm maf, mac cai, lt's,prochamber, fms 1.6 rr, 125 shot.
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