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

TSP cat-back is too quiet

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Old 10-14-2009, 04:01 PM
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Default TSP cat-back is too quiet

So a couple months ago we installed PS long tubes, ORY, and a TSP cat-back which utilizes a Dynomax bullet muffler. At first I was really digging it, because it's real quiet idling and at the lower RPMs. Now I'd rather have something a little more... "rumbly". I was thinking about having an SLP resonator welded in place of the bullet, but my friend told me those are too loud and sound like ****. Anyone have any ideas that don't involve replacing the whole cat-back?
Old 10-14-2009, 09:00 PM
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honestly if a TSP catback is too quiet for you I don't know what to say except maybe cutouts after the collectors and a cam
Old 10-14-2009, 10:05 PM
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You're probably right... I just need to cam it, heh. I'm not thinking about a cam yet though, so would a chamber muffler possibly give me what I'm looking for? A more rumbling idle/deeper tone?
Old 10-14-2009, 10:12 PM
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Originally Posted by 96blackta
You're probably right... I just need to cam it, heh. I'm not thinking about a cam yet though, so would a chamber muffler possibly give me what I'm looking for? A more rumbling idle/deeper tone?
i did exactly what you are thinking of, found a local guy with a LM1 resonator and traded him. however with LTs/ORY, i would do a borla xr1 in place of the dynomax.
Old 10-14-2009, 10:13 PM
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all I know is the powerstick/powerpack (which ever one isn't crimped) I had installed in place of an LM1 resonator and it sounded exactly the same, money wasted but if you want an LM1 sound I guess that'd be a choice
Old 11-01-2009, 01:55 AM
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my 93 had a tsp rumbler catback and a gutted stock cat. It was pretty loud but everyone said it sounded like a truck.
Old 11-01-2009, 09:35 AM
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Originally Posted by beeker82
my 93 had a tsp rumbler catback and a gutted stock cat. It was pretty loud but everyone said it sounded like a truck.
they were right lol I know that's what mine sounded like with the loudmouth
Old 11-01-2009, 10:59 AM
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cam it and it will wake up the sound, i don't know what to say about the TSP being quiet lol your just getting used to the sound. and a LM1 resonator will make your car sound sanford and son truck



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