LT1-LT4 Modifications 1993-97 Gen II Small Block V8

Looking into true duals

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Old Dec 6, 2008 | 11:48 PM
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Default Looking into true duals

I already know I want to buy some Pacesetter long tube headers. What kind of true duals do you guys recommend? Custom or name? Also, can I just order headers/exhaust, or is there something in between I'm missing?
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Old Dec 6, 2008 | 11:52 PM
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You could do the summit kit

http://www.lt1engine.com/tech/how-to...duals-exhaust/
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Old Dec 6, 2008 | 11:54 PM
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Id go custom with either flowmaster 1 chambers or borla xr1s dumped if you want loud.

If you want quiet go with hooker aerochambers behind the axle.
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Old Dec 7, 2008 | 12:08 AM
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I'm going to try and stay emissions friendly, so I'll be getting Pacesetters w/ emissions fitting. Besides the Summit kit, I'll need mufflers apparently. Is that all, or will I need to order high flow cats as well?
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Old Dec 7, 2008 | 12:12 AM
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I had mine custom made at a local muffer shop. I currently have the pacesetters with a 3" h-pipe into spintech pro shoot out mufflers dumped at the rear. The h pipe was necassary to clear the torque arm. My pacesetters are for sale btw.
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Old Dec 7, 2008 | 04:03 AM
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i would go with a summit kit also. i have the summit 3in xpipe with dumped bullets. heres a few pics of it





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Old Dec 7, 2008 | 12:11 PM
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I've got Pacesetter LT's, Jegs 2.5" x-pipe kit(Exact same as Summit), and a couple single chamber mufflers(Flowmaster knock-offs from ebay, $60shipped for the pair). Then, I had them take the piping under the axle to out back.
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Old Dec 7, 2008 | 01:09 PM
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How is the clearance going under the axle?
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Old Dec 7, 2008 | 04:28 PM
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I'd recommend buying the Summit Universal X-Pipe with some header reducers (if going w/ 2.5" duals) some hangers, and whatever mufflers you like then taking it to a reputable shop to have it fabbed up. I have the Summit 2.5" Kit with Dynomax Bullets and it works real for me and sounds great.


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Old Dec 7, 2008 | 05:12 PM
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Originally Posted by sz282
How is the clearance going under the axle?
It's fine now that I got my mufflers moved back. When I had my mufflers in the spot most people have them, they were only a few inches off the ground and scraped everything. I need to get some pics up of the new location sometime though. With how it is now, my headers are the lowest part of the car.
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Old Dec 7, 2008 | 05:53 PM
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If you ever plan on a chassis mount torque arm, the x pipe will be right in the way. I had to ditch my x for an h when I changed TQ arms.
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Old Dec 11, 2008 | 10:19 PM
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I think I'm going to get the following:

Pacesetter LT headers (with emissions)
Summit 3" X-pipe
High-flow cats (suggestions?)
Bullet mufflers (also?)

Is there anything I'm missing? Btw, you pretty much have to dump the exhaust with this setup, correct?
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Old Dec 11, 2008 | 11:04 PM
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yea pretty much, i've seen a few people go under the axle tho
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Old Dec 12, 2008 | 08:59 PM
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Wouldn't you basically bottom out just by giving it gas? :/
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Old Dec 12, 2008 | 10:54 PM
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Originally Posted by 96blackta
Wouldn't you basically bottom out just by giving it gas? :/
It's really not that bad. Just watch out for speed bumps. It's better if you have the mufflers put right after the rear axle too. I haven't scraped at all since I've had my mufflers moved back. There's only been one time. And it's because I hit a small bump running around 160, or more. And it was just a tiny little scrape.
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Old Dec 13, 2008 | 03:57 PM
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Thanks, I'll plan it all out and go talk with the exhaust shop.
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Old Dec 13, 2008 | 04:02 PM
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a panhard bar reloacation kit should give you the room you want to go over axel..i have seen several go over axel. just do a "lt1 true duals" in google or yahoo image search
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Old Dec 13, 2008 | 04:18 PM
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I have the summit 2.5 inch kit. I would buy the 3 inch instead though. Not for the "power" increase, but for the looks of it. 3 inch pipe are huge compared to the 2.5 inch pipe.
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Old Dec 13, 2008 | 06:33 PM
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3" Dynomax Bullets F T W!!! I have the summit 3" kit minus the xpipe (I only used the x pipe out of the whole kit). PM me if you want it.

http://videos.streetfire.net/video/l...art_179977.htm

Last edited by MadMike 97 Z28; Dec 13, 2008 at 06:40 PM.
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