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flowmaster 40 vs summit knock off

This is a discussion on flowmaster 40 vs summit knock off within the Exhaust forums, part of the Performance category; is the flowmaster 40 worth that much more then summits knock off im thinking of running 2 one on each ...

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    flowmaster 40 vs summit knock off


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    is the flowmaster 40 worth that much more then summits knock off im thinking of running 2 one on each inlet then dumping...i have a 96 yukon 5.7... has anyone ever ran the summits or have any input on them, thanks

    FLOWMASTER-----
    http://store.summitracing.com/partde...5&autoview=sku

    SUMMIT---------
    http://store.summitracing.com/partde...5&autoview=sku

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    Supporting Gold Member GreaseDog's Avatar
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    Re: flowmaster 40 vs summit knock off

    same exact muffler... i've had the Summits on 2 trucks, and Flowmasters on 4. i've got a thing for buying slightly used Flowmasters for dirt cheap, otherwise they'd all be Summit mufflers.
    77 Chevy K20 - 80 GMC K2500 (in pieces)
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    Official FSC mascot!!!!! PHATSPEED7X's Avatar
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    Re: flowmaster 40 vs summit knock off

    I got a generic Flowmaster 40 series from www.performance-curve.com. Works great, sounds good. Here is a vid...

    http://www.youtube.com/watch?v=4hDzfRK8emY

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    Re: flowmaster 40 vs summit knock off

    thanks for the quick response guys

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    Re: flowmaster 40 vs summit knock off

    does anyone know if my truck, 96 gmc yukon 4x4 5.7 has 2 inch inlets, thats the number i came up with by doing the math from the circumfrance, thanks for the help

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    Slow-N-Steady TigerEyz3's Avatar
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    Re: flowmaster 40 vs summit knock off

    You have factory 2" inlets. I'd purchase 2.25" inlet/outlets though.
    Prov 3:5-6; Jer 29:11
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    Re: flowmaster 40 vs summit knock off

    i got the summit muffler it sounds pretty good i think heres a sound clip of mine
    http://s43.photobucket.com/albums/e3...t=MVI_1531.flv

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