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5.0L (1979-1995) MustangTechnical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.
i am purchasing a new exaust setup for my 91 gt. i was looking at getting mac longtube headers, mac off-road h pipe, and mac catbak exaust, since its all in my price range. but recently i've heard bad things about their products..has anyone had anything abd to say about them?
i've heard alot of horror stories and alot of good ones too. it seems to vary alot. MAC has updated their stuff alot in the last couple of years though and since then i only hear good things about them. i have the older style MAC shorty headers and catted h-pipe and never had any problems with it, fittment was not perfect but decent, and they have a little of surface rust but nothing bad. if i were to change my exhaust system for a new one i'd still go for MAC, better prices and their new stuff looks great.
i have been running the mac shorty headers and o/r h pipe w/o cats and i have not had not problem out of it...sounds and works great...everything lined right up...
i think all their exhaust products are pretty good. Not too sure about their intakes though......lol. Didn't seem to fit too well. Other than that i think their exhaust is a good deal for the price.