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

need a exhaust guru

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Old May 26, 2009 | 09:14 AM
  #1  
RED PUNISHER Z's Avatar
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Question need a exhaust guru

I got my hands on some free 2.5" glass packs... whats the best way to put them on to get the most power out of my car? 2.5" straight true dual, 2.5" ture dual with an H pipe or X pipe...My car is a 95 z28 m6 with full boltons with msd ign it has bbk shorty headers for right now.
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Old May 26, 2009 | 11:28 AM
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from what ive read true duals with an x pipe is the way to go either dumped before the rear axel which is loud or if u have some skills maybe finding a way to make it exit at the rear bumper
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Old May 26, 2009 | 04:08 PM
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If noise is not a concern, doing as mentioned above (TD w/ X-pipe) will yeild the most power.
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Old May 28, 2009 | 06:33 PM
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Default One more thing to consider...

Again, if noise is not a concern, then look straight into the center of the cherry bombs (CB) and when installing them, make sure the internal openings face the rear / outlet side of the exhaust. These little internal scoops, if facing towards the front / inlet side will quiet the exhuast down a tad, but they also will hinder flow slightly.

My local muffler shop called it installing my 3" ID CB "the loud way" - it took the edge off the open exhaust rumble and didn't hinder my STS kit from building full boost...

Originally Posted by ss.slp.ls1
If noise is not a concern, doing as mentioned above (TD w/ X-pipe) will yeild the most power.
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Old May 28, 2009 | 07:52 PM
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2 free glass packs? You saved what, 50 bucks?

I'd say TD with an x pipe. Usually people use spintech or other spiral flow kind of "mufflers." To each his own.
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Old May 29, 2009 | 12:31 AM
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x pipe for power, h pipe for sound
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Old May 29, 2009 | 12:39 AM
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X pipe sounds sexy too.. TD's!!!

Des Moines now has a STUPID NOISE ordinance law that I'm scared about.. new law is 25FT (THATS IT????) for exhaust and music..
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