Exhaust replacement on a 1990 LE..suggestions? - Page 2 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 11-19-2006, 09:21 AM   #11
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Quote:
Originally Posted by jr's3800
Curt, I like the sounds from brads car.... But as much as I liked the sound, the drone was a little more than I'd ever want...
Eh, I gotten used to it...but I think at the start of next year I am going to resonate it. Flowmaster actually makes a resonator that should match with the 80 series perfectly. Agreed that it sounds nice at idle-3k, anything after that starts sounding...ricey.

Also Curt, remember exhaust velocity...my 3500 puts out less velocity now than it did with the factory exhaust (I did the full exhaust swap and not just a muffler swap), and puts out less than a 3800 for obvious reasons. The tone will sound deeper than what you heard from mine. *Scratches head for a second or two*...didn't you say you were gonna keep this a sleeper? Maybe go with a stock F-body muffler...you will get your flow w/o the noise that way.
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Old 11-19-2006, 04:08 PM   #12
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Quote:
Originally Posted by sandrock
Quote:
Originally Posted by jr's3800
Curt, I like the sounds from brads car.... But as much as I liked the sound, the drone was a little more than I'd ever want...
Eh, I gotten used to it...but I think at the start of next year I am going to resonate it. Flowmaster actually makes a resonator that should match with the 80 series perfectly. Agreed that it sounds nice at idle-3k, anything after that starts sounding...ricey.

Also Curt, remember exhaust velocity...my 3500 puts out less velocity now than it did with the factory exhaust (I did the full exhaust swap and not just a muffler swap), and puts out less than a 3800 for obvious reasons. The tone will sound deeper than what you heard from mine. *Scratches head for a second or two*...didn't you say you were gonna keep this a sleeper? Maybe go with a stock F-body muffler...you will get your flow w/o the noise that way.
Oh no... I liked it on the drive..... But if it were to be a long drive the Drone would bug me after a while... H*** I hit it a few times just to hear it...LMAO

Curt, Have you thought about a 2.50" in and 2 2.25" Outs( on the pasenger side ) like the 92-93 N10( Single side-Dual Outlet ) Optioned Bonnevilles... This way it will retain a stock apperance but a nice new sound? And I believe that both Flowmaster and Magnaflow have that configuration...

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Old 11-19-2006, 04:47 PM   #13
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Quote:
Originally Posted by jr's3800
Curt, Have you thought about a 2.50" in and 2 2.25" Outs( on the pasenger side ) like the 92-93 N10( Single side-Dual Outlet ) Optioned Bonnevilles... This way it will retain a stock apperance but a nice new sound? And I believe that both Flowmaster and Magnaflow have that configuration...
Yup...had one on my SLE





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Old 11-19-2006, 04:57 PM   #14
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Thats exactly what I was thinking of.... I was thinking Malibu and forgot about the SLE

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Old 11-19-2006, 09:33 PM   #15
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Quote:
Originally Posted by jr's3800
Thats exactly what I was thinking of.... I was thinking Malibu and forgot about the SLE
Hmmm.. thats a thought. My '87 Camaro V6 started life with a single inlet, dual outlet on the same side. I think I'll start with just a single in/single out and see what it sounds like.

The constant drone doesn't bother me much...My hearing is pretty much shot, so things sound different to me to start with (I can't hear high frequency stuff) It'* kinda like having the bass turned way up and the treble turned way down on everything.

As to sleeper...It has to *look* like a stocker. Doesn't have to sound like a stocker (most of the victims have the stereo turned way up anyways
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Old 11-20-2006, 02:05 PM   #16
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Interested to see what you do Curt

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Old 12-10-2006, 10:52 AM   #17
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Quote:
Originally Posted by jr's3800
Interested to see what you do Curt
Well, did it yesterday. went with a Flowmaster knock-off made by IMCO (no packing, just chevron shaped baffles in the muffler body). single inlet, single outlet, no resonator.

Sounds pretty good, not much louder than the stock muffler, with a little bit of burble to it.

I haven't dropped the center pipe to look up inside the exhaust manifold. Picked up the exhaust gaskets this weekend and figure on dropping the manifold over the Christmas holliday long-weekend.
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Old 12-10-2006, 01:56 PM   #18
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Curt I'd be interested to see what you mani looks like... I have seen a few that were like mine...

If it is, and you clean it up you may get a deeper nicer tone out of it

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