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dutra duel options
https://slantsix.org/forum/viewtopic.php?t=19496
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Author:  75duster [ Thu Sep 07, 2006 5:17 pm ]
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installed manifolds on monday and been driving round since then with a 18in. piece of straight pipe off the man. and nothing else. VERY loud and clattery but kinda kool sounding,set off a car alarm in my automotive class at the local college. the rear piece is hooked in to the stock exhaust which is really quiet

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get new exhaust this weekend-1 3/4 from flange to about transmission (wanted 2 1/4 but space is tight) then true 2 1/4 duel exhaust from there back through flowmasters

Author:  vynn3 [ Fri Sep 08, 2006 5:50 am ]
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I don't think you'll get any benefits from opening the exhaust after the crossmember, unless you're just doing it for looks or to match a pair of mufflers.

Author:  75duster [ Fri Sep 08, 2006 2:40 pm ]
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yea im going to ask for 2in at least

Author:  75duster [ Thu Sep 21, 2006 8:52 pm ]
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well got it dueled out all the way back 2 1/4 front to back,sound throaty like a v-8 until you get on it then it gets buzzy, not that bad actually my grandfather has a 46 chev pickp with a straight 6 and his is about the same cept he has glass packs and a h-pipe where as i have flowmasters and no h-pipe, will try to post pics later

Author:  70valiant [ Fri Sep 22, 2006 4:32 am ]
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The buzz will diminish greatly with a crossover pipe.

Author:  75duster [ Fri Sep 22, 2006 8:21 pm ]
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thats what he said, but its not that bad untill you really hammer it so its okay for now, next is a set of cutouts

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