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

Age old Question....

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Old Dec 16, 2010 | 08:12 PM
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Everything in my sig, fabricating a 2.5 true dual set up. should I go with either high flo Cats (more expensive) and no muffler OR no cats and use bullet mufflers? (Cheaper) or any other high flow mufflers? if anyone has any ideas..right now on my stock exhaust I have no muffler and an old high flo cat, and I notice the gain when I took the muffler off. Not really worried about inspections but if anyone was to be nosey...
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Old Dec 16, 2010 | 08:18 PM
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If you don't have to pass emissions, why would cats even be considered?
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Old Dec 16, 2010 | 09:12 PM
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No cats and bullets FTW. Like ramair said why even think about cats if you dont have to pass emissions
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Old Dec 16, 2010 | 09:46 PM
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So bullet mufflers? Any specific brand? and I like the loud rumble from the exhaust with no muffler, but with headers and new exhaust, I'm sure it would be a little to alot louder... so my thinking is... buy new cats, like i have on now and stick with no mufflers or have no cats and don't have that loud grumble with mufflers. I dunno lol just figuring out where the performance is...no muffler or no cats
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Old Dec 16, 2010 | 09:55 PM
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Cats are going to be more restrictive and much more expensive. I run dynomax bullets and I love them another options is Moroso Spiral flows
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Old Dec 16, 2010 | 10:04 PM
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you may want to try Powersticks they are cheap and sound great
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Old Dec 16, 2010 | 10:40 PM
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But whats the sound like for these mufflers? anything to compare it to?
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Old Dec 16, 2010 | 10:43 PM
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Check here http://www.ls1sounds.com/
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Old Dec 16, 2010 | 10:56 PM
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Im going to be running Borla Pro XS mufflers on my 3 inch setup. But I need my car to be quieter. If i wasnt worried about noise I would run Sweet Thunders
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