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Unread 07-31-2007   #1 (permalink)
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Default Mac or Magnaflow Exhaust

I have a 90 GT and need to get an H pipe with cats. Whats everyones opinion on Mac or Magnaflow, the Macs are quite a bit cheaper is there a real differnece between the two with quality and what about fit has anyone had problems installing either. Thanks.
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Unread 07-31-2007   #2 (permalink)
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I personally think the Magnaflows are a better quality. Mac does good products for inexpensive costs.. I think the Magnaflow (or other brands) with premium mandrel bends would be a better choice.

Just a heads up, a lot of these topics have been discussed in great detail.. please try our search button to prevent double threads.
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Unread 08-01-2007   #3 (permalink)
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A mandrel bend is a mandrel bend. I put MAC on my Cobra and LX with no regrets or fitment problems. Why pay more for something no one looks at. The MAC's sound every bit as bad as anything out there. Save your money and spend the extra on future mods.
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Unread 08-01-2007   #4 (permalink)
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Thanks Snake that was what I was thinking.
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Unread 08-01-2007   #5 (permalink)
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"A mandrel bend is a mandrel bend." Negative. Order Summit's mandrels VS. Holley bends.. The summit bends have obvious line where the bend begins.. It depends on who makes the bend.
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Unread 08-01-2007   #6 (permalink)
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Does that apply for Mac and what does a line in the bend mean. Is it weaker?
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Unread 08-01-2007   #7 (permalink)
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I have Magnaflow with long tubes and no cats. I love the way it sounds. It sounds much different than any other 5.0 around here. But I worked for a place that was a magnaflow dealer when I bought it so I got a great deal.
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Unread 08-02-2007   #8 (permalink)
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I have no "lines" in my MAC mandrel bends. A mandrel bend leaves no lines. If you want to feel better about spending more for a product that performs no better be my guest. The primary reason for increased prices of exhaust products is stainless vs. aluminized and brand name glitter.
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Unread 08-02-2007   #9 (permalink)
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on my MAC cat back the design was VERY good and all the bends are extremly nice, no lines or anything, and they sounds pretty dam good with the stock h-pipe, no one looks under my car because it sits to low to the ground so i have aluminized, stainless is a waste of money because no one sees it, but i do have chrome tips that look very good
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Unread 08-02-2007   #10 (permalink)
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Well stainless will last longer than aluminized will.
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Unread 08-02-2007   #11 (permalink)
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Ive got Magnaflow & love it.Ill never have to buy another exhaust since its stainless.
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Unread 08-02-2007   #12 (permalink)
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Stainless will last longer but I'm not sure if the cost benefit analysis works out. How many times will you have to replace your aluminized before it cost more than the initial cost of stainless? Also in theory we all love our stangs but in reality most are traded off for a newer one or a family car before even aluminized wears out. The Walker dynomax mufflers that used to be on my LX were over 10 years old and still worked fine. I just decided to replace them. The choice is much like women, all men have their preferences. Do whatever floats your boat.
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Unread 08-02-2007   #13 (permalink)
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Thanks everyone I appreciate the input.
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Unread 08-02-2007   #14 (permalink)
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I've got a Magnaflow catback, (been on since November) and the last time I was under there, it looked like there was surface rust on the pipes. The rest of my system is Mac - headers, H-pipe. I think Mac makes decent stuff. My previous catback was Mac, and it had been on the car for well over ten years - in the rust belt of Ohio. It did finally wear out, but I'd give any Mac product a try.
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Unread 08-03-2007   #15 (permalink)
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This is a little off topic but I am building a 351 based twin turbo setup for another car. Would you guys stick with 2.5" exhuast or 3"? Im not just talkin about the catback, I mean the whole exhaust.
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