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MAC Exhaust?

This is a discussion on MAC Exhaust? within the External Engine forums, part of the LSx Technical Help Section category; Anyone runnin the MAC headers and exhaust on an LS1? they sounded awsome on my mustangs!...

  1. #1
    Junior Member
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    1998 Z28

    Question MAC Exhaust?

    Anyone runnin the MAC headers and exhaust on an LS1? they sounded awsome on my mustangs!

  2. #2
    Senior Member INMY01TA's Avatar
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    2001 Trans Am (sold)

    Headers are ok. Long tubes make more power. Noone runs the catback. A buddy of mine had one on his LT1 years ago and the whole thing rusted so bad it just about fell apart.

  3. #3
    Junior Member krazyz28's Avatar
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    1999 Camaro Z28

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    Quote Originally Posted by blowin by View Post
    Anyone runnin the MAC headers and exhaust on an LS1? they sounded awsome on my mustangs!
    I have MAC mid length headers, ORY pipe, cut out, and edelbrock muffler. When the cut out is on the edelbrock muffler makes the car sound like its only got an aftermarket muffler on at idle. At full throttle it has a very aggressive sound to it without any raspy sound to it.

    When the cut out is off and you fire the car up in your garage, all your neighbors will think you just fired up a sprint cup car. Only drawback is the raspy sound you get around 2500 rpm and higher.

    I like this setup especially since I have yet to hear another ls1 that sounds like mine.

    Oh yeah and flowmasters suck.

  4. #4
    Member WS6ICK2K's Avatar
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    2000 Trans Am WS6

    Oh yeah and flowmasters suck. [/QUOTE]

    Not exactly, only the 80 series flowmasters suck. I have heard some vey deep and nasty true duals with the flows 1 chambers that sound very good along with the 40s and 44s.

  5. #5
    I run the Mac mids with a ory, flowmaster merge, 3" back to a Flowmaster 1 chamber (sounds badass). I got a real good deal on the headers and couldnt pass them up.

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