LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

2 1/2 in duals or 3 in cat???

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Old 06-25-2003, 09:55 PM
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which would flow better? 3 inch catback system with off road y pipe and longtubes, or 2 1/2 inch true dual with x pipe, bullet mufflers and longtubes. Secondly...which one would cost more?
Third, which would sound better? I like loud. Fourth, is it possible to put dual electric cutouts on a true dual setup??

As you may guess the true dual-longtube-dual cutout system is what im wanting as money allows.
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Last edited by MarkyMark; 09-14-2011 at 12:34 PM.
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Old 06-25-2003, 10:29 PM
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I have true 2 1/2 in. duals behind hooker long tubes on my 97 T/A and I love them. The sound is awesome. I did my whole setup for about 400 bucks which includes about 220 for a dr. gas x-pipe. I know a lot of people have done the x-pipe setup for alot cheaper. Sorry, I don't have any sound clips or dyno numbers, but you won't be sorry.
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Old 06-25-2003, 10:34 PM
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Go with the true duals. You won't be sorry. That is what I had planned for my car. I think I heard somewhere that somebody picked up like 15 or so HP from switching to true duals...but then again that sounds a little high...so who knows. The sounds alone is worth it though.
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Old 06-25-2003, 10:54 PM
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Originally posted by RedTransAm21
I have true 2 1/2 in. duals behind hooker long tubes on my 97 T/A and I love them. The sound is awesome. I did my whole setup for about 400 bucks which includes about 220 for a dr. gas x-pipe. I know a lot of people have done the x-pipe setup for alot cheaper. Sorry, I don't have any sound clips or dyno numbers, but you won't be sorry.
Does that include labor or did you do it all on your own? what would you think an exhaust shop would do it for if i had all the parts?
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Last edited by MarkyMark; 09-14-2011 at 12:35 PM.
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