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

Best cats and mufflers for true duals

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Old Aug 12, 2003 | 01:13 PM
  #1  
zuluman13's Avatar
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From: NJ
Best cats and mufflers for true duals

Im going to run jet-hots hi flow cats reduce it to 2.5 then h-pipe the 2 2.5 over the passenger side of the axle and then into the mufflers then out the back. Most of the people here use bullets but my tracks have a noise limit and they say as long as the sound is street legal you can rn it I also dont want alot of noise polution tickets. What hi flow cats should I use? And what mufflers will give me a nice deep sound?

ps. does anyone know of a good exhaust shop in north nj.
Old Aug 12, 2003 | 01:35 PM
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I was going to run jet hots into catco cats and then into bullets, but I am now emissions exempt so I am selling my catco cats, they are 2 1/2" in and out, and only 13" long so you can squeeze them in right after the headers. If you would like I can sell them to you for $100 shipped for both, they are brand new in the boxes. rshrom@hotmail.com
Old Aug 12, 2003 | 10:52 PM
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ttt i need nice sounding street legal mufflers. are bullets legal what if i had 4 2 before the axle 2 after.


edit: How would the sound differ from 2 bullets vs. 4 bullets. vs. 2 ultra flows vs. 2 bullets then 2 ultraflows.



I want a nice deep sound but the sound I dont like is in some videos i see when the revs are high it makes a real ugly sound i cant really describe it.

Last edited by zuluman13; Aug 12, 2003 at 11:45 PM.
Old Aug 13, 2003 | 09:13 AM
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The only thing that may not be legal about bullets is with sound ordainces. But if you can handle the loud sound they are legal and sound good. Straight through design.
Old Aug 13, 2003 | 09:58 PM
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would I still be able to still put on sfc and a driveshaft safetyloop with true duals.
Old Aug 13, 2003 | 10:05 PM
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I have slp subframe connectors and a spohn driveshaft safety loop and everything fits fine.
Old Aug 13, 2003 | 10:19 PM
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Ok good do you have pictures of your setup
Old Aug 14, 2003 | 02:18 PM
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I used soundcats, they flow real well and are pretty cheap. If you plan on going all the way over the axle your limited if you put mufflers back there, usualy the farther back you put mufflers the quieter the system. I would either get a standard turbo or some type of straight through design like thrush cherry bombs, which I have, they're loud, but are not so much where they would get you kicked off the track. Running four bullets seems like to much money and weight. here are some pics of mine, as you can see I have them stoped before the rear axle and they're not to loud, if you put them out all the way it would really be quiet. http://community.webshots.com/album/79485783kIzaYY
http://community.webshots.com/album/83968269vuzDib
Old Aug 14, 2003 | 02:26 PM
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Do you think bullets all the way in the back would be quiet enough and also do you know of a website for te soundcats i couldnt find them on yaho. And where do you get a stanard turbo the onl ones ive seen are super turbos same question for the cherrybombs.
Old Aug 14, 2003 | 02:52 PM
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I used dynomax super turbos on my 383 with true duals.

Video clip in signature (poor traction).
Old Aug 14, 2003 | 02:58 PM
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Thanx for the clip i thinkim gonna do bullets for now because I want a very low sound the super turbos arent low enough and I dont like the sound of glasspacls.(no offense to anyone)
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