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G3GM 1973 to 1977 A-bodys. Chevelles, Monte Carlos, El Caminos, Laguna, 442, Cutlass, Malibu, GTO, LeMans, Century, Regal, Grand Am, Grand Prix, Sprint, Gran Sport, Can Am, Hurst-olds, and other 73-77 A-bodies


V6 exhaust

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Post by driveit Tue Mar 25, 2014 1:56 pm

Picking up my 82 Malibu 4 door this Friday. It has a bad exhaust leak and was thinking about finding something to make it sound a bit better.

I believe it is a 3.8 Chevy engine that is original to the car. It has been bored 30 over and rebuilt. I think everything else is stock on the car. It has a 350 turbo and not sure of the gears. I want to start with a better sounding exhaust, but have a very small budget. Is there anything out that that would give it a sporty sound and not sound like someone just threw duals on it?

Any tips would be greatly appreciated.
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Post by dynchel Tue Mar 25, 2014 2:06 pm

Are you leaving a converter on it?
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Post by driveit Tue Mar 25, 2014 2:06 pm

already gone I think.
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Post by dynchel Tue Mar 25, 2014 2:13 pm

With no converter it will automatically sound better (and louder)  Some glass packs would be the cheapest route, or if a little less obnxious is your thing some turbo mufflers should sound pretty good.  With a V6 i wouldn't go much larger than a 2 1/4 pipe.  imho glass packs would probably sound best.
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Post by JB2wheeler Tue Mar 25, 2014 2:18 pm

That's the trouble with V6s, 5hey sound like crap no matter what exhaust you use. They are great engines, but... Anything loud sounds bad, think 4 cylinder fart cans. JB
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Post by dynchel Tue Mar 25, 2014 2:30 pm

JB2wheeler wrote:That's the trouble with V6s, 5hey sound like crap no matter what exhaust you use. They are great engines, but... Anything loud sounds bad, think 4 cylinder fart cans. JB
thats kinda why i was pushing for glass packs...or you could try the no muffler route.
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Post by Joe73 Tue Mar 25, 2014 2:36 pm

Good chance.its a 3.8 buick. I like the buick engine better than the 3.8 chevy.
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Post by driveit Tue Mar 25, 2014 4:16 pm

It is a Chevy engine for sure and I think it was a 3.8!
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Post by ant7377 Tue Mar 25, 2014 7:29 pm

I dont think its a th350. Id say a metric 200. Are you sure its a 3.8 ? Might be the 229. I think the g/a bodys had them in there too.
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Post by driveit Tue Mar 25, 2014 7:39 pm

My uncle installed the 350 as he had trouble out of the original, or at least that is what he told me.
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Post by 77mali Tue Mar 25, 2014 7:45 pm

Flomaster makes decent glass-packs. Not too much money either. I bought a pair for the Malibu & they sounded good on the test stand. I think they'll loose a bit of sound with the extra pipes on them when & if they get put into service for real. Think I paid $75 them at the local speed shop.
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Post by dynchel Tue Mar 25, 2014 7:53 pm

If you had duals made with glass packs dumping in front of the rear wheels it would be a pretty cheap "custom" exhaust that "should" sound decent.
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Post by driveit Wed Mar 26, 2014 9:13 am

Thanks.
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