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

True Dual Muffler and Cat opinions

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Old 06-20-2008, 04:10 PM
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Default True Dual Muffler and Cat opinions

Well I am about to trash my custom Y-pipe and put together a true dual system with a x-pipe, well I want to keep cats on there and run the o2 sensors.

Anyways, I was wanting opinions on both mufflers and high flow catalytic converters.

As far as the mufflers sound and flow.

Sound clips and pics would be greatly appreciated
Old 06-20-2008, 06:56 PM
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i like the sound of powersticks. this is on a car without cats, 3in duals, and 16 powersticks.

Last edited by Doc Mitch; 06-21-2008 at 02:16 AM.
Old 06-20-2008, 07:32 PM
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uh, the video in the link is for a concept BMW?
Old 06-20-2008, 07:39 PM
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I am a fan of the Powersticks or Sweet Thunders because they sound very similar to GMMG. If my car was together I'd have a clip for you but unfortunately it is not.
Old 06-20-2008, 10:14 PM
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ive heard sweet thunders and i personally think they sounds great.
Old 06-20-2008, 11:49 PM
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I don't think I have ever heard of keeping the cats on a true dual system. It will not pass visual with the duals anyways, so what is the purpose? It will sound alot better without the cats, but I also like the Sweet Thunder mufflers.

Last edited by Sinister95Z; 06-21-2008 at 02:51 AM.
Old 06-20-2008, 11:53 PM
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maybe not what you're looking for but these are dual 4" oval spintechs.... no cats....

and a gigantuous nitrous cam.....

http://www.youtube.com/watch?v=4v-ximtA_9M
Old 06-21-2008, 12:33 AM
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Originally Posted by Sinister95Z
I don't think I I have ever heard of keeping the cats on a true dual system. It will not pass visual with the duals anyways, so what is the purpose? It will sound alot better without the cats, but I also like the Sweet Thunder mufflers.

Better gas mileage with cats and upstream and downstream O2's and high flow cats will not cause much pressure drop or disrupt flow too much.
Old 06-21-2008, 02:15 AM
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Originally Posted by Captainofiron
uh, the video in the link is for a concept BMW?
idk how that happened.lol. here is a link to the post on z28.com where i found the video. there are pics of the setup on the first page

http://www.z28.com/forum/showthread....03#post1255703

Last edited by Doc Mitch; 06-21-2008 at 02:21 AM.
Old 06-21-2008, 11:38 AM
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Thanks Doc,

I was like is this a joke when you first posted the BMW, that car sounds great I found some vids on youtube of a 96 impala SS with sweet thunders sounds good too, but I dunno, I think I like the sound of the powersticks a little better




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