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i was wondering if any body could tell me how to put a true dual exhaust on my 1988 z 24 with stock exhaust manifolds or if its even posible ??
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01 olds shilluette 3400/4T65-E stock for now -
Originally posted by montess408
It's possible and it's been done before but totally not worth the time invested.
just upgrade to a single 2.5" exhaust and swap your gen2 manifolds out for a set of 3400 manifolds (downpipe is 2.5" instead of 2"), hi-flow cat and a decent muffler... you'll really open it up then.
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can i use 3400 manifolds on 3.1 heads ?01 olds shilluette 3400/4T65-E stock for nowComment
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Yep, just make sure to use the 3400 gaskets as well.Originally posted by montess408
They fit perfect, and flow alot more than the 3.1 manifolds.
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x2, and just get a f-body muffler or something so u can have duals but fake haha
thats what i gotsigpic
1993 Cavalier Z24, 3.1/3400 hybrid, crane 272 cam, LS6 springs,port and polish,2.5 exhaust to 80 series flowmaster,solid mountsComment
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x3.
With that displacement motor and the placement dual exhaust is pointless. It's not a big longitudinally mounted V8. Also remember dual exhaust pipes add extra weight which slows you down. If you can meet your power needs with a single larger pipe thats the way to go.
'97 Grand Prix GT 3800 (sold)
'00 Grand Am GT 3400 supercharged
13.788 @ 103.73 mph, 320whp 300 ft/lbs
Gotta love boost!Comment
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i put dual exaust on mine simply for the fact that i could. it actualy started out after i built the headers, and i beilt the pipes comming back just before the cat, and though, hell it cant be that much work to run dual. well i was wrong, 2 weeks later it was finnished. i ended up using a pair of 3 way mini cats and a pair of flowmaster 60 series. the thing sounds like no other v6 ive heard. it has a very lumpy idle (though thats more atributed to the cam) like a v8, but sounds like a bumble bee in high rpm ranges (a tad raspy, not much though).
does it actualy help??? i doubt it, i would likley have been able to acomplish the same thing with a single 2.5", but this sounds way cooler, and i love the reaction i get when people ask why i have a fake dual exaust and i tell em to look under the car.
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