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exhaust size on a 03 malibu

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  • exhaust size on a 03 malibu

    i found a dynomax muffler that has inlet and outlet on the same side like the malibu does, it comes in 2 sizes 2 1/4(i/o) and 2 1/2(i/o), i was going to get one and have it installed to give my car a little growl till i can afford the borla cat back system, i can pick up either muffler from my local napa for $65, anyone now what the stock pipe size on the malibu is? i am at work and can't go out and measure, its 2 14, isnt it? thanks

    incase anyone else is interested the dynomax numbers are
    17186 2 1/2
    17185 2 1/4
    Last edited by rluck9277; 09-15-2006, 02:20 PM.
    http://www.cardomain.com/ride/2367486/1

  • #2
    i believe it's 2". if so, you can easily bump things bigger to fit a 2 1/4 muffler
    Andy

    sigpic

    fastest 1/8: 10.19@ 67.17
    fastest 1/4: 16.16@ 82.70

    62mm TB, 1.6 roller tip rockers, Ostrich 2.0, UD pulley, TB heater bypass, K&N, 180* stat, No cat, 99Grand AM dual cooling fans. 4T65E swap FDR 3.69, EP LSD, F.A.S.T. transmission controller, TransGo shift kit.

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    • #3
      2.25, you can go to 2.5 without problem to increase flow (same size as borla)

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