True Dual Exhaust Question
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True Dual Exhaust Question
I have a 2001 chevy silverado with the 5.3 engine. My question is this, I have ASM headers on my truck and I would like to go with true dual exhaust 3". I was told that my computer would not like this, I have to stay with the Y pipe. Is this true. If I go with the true duals which muffler would be the best to use with this setup. Does onyone have any comments on this setup.
#2
Re: True Dual Exhaust Question
There are a few people on this board with some true-duels. Not sure where you heard that about problems with the computer, but they are not true.
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Re: True Dual Exhaust Question
When I first got my truck (May of 99), the exhaust shops in the town I lived in at the time were under the same impression. They said "we can't do anything before the Y." I think the real issue is the O2 sensors, right behind the cats.
#4
Re: True Dual Exhaust Question
</font><blockquote><font size="1" face="Verdana, Helvetica, sans-serif">quote:</font><hr /><font size="2" face="Verdana, Helvetica, sans-serif">Originally posted by DuckOfDeath:
<strong>When I first got my truck (May of 99), the exhaust shops in the town I lived in at the time were under the same impression. They said "we can't do anything before the Y." I think the real issue is the O2 sensors, right behind the cats.</strong></font><hr /></blockquote><font size="2" face="Verdana, Helvetica, sans-serif">From the pics I have seen of duel setups, they usually cut the collector off of the ypipe and run duels from there.
<strong>When I first got my truck (May of 99), the exhaust shops in the town I lived in at the time were under the same impression. They said "we can't do anything before the Y." I think the real issue is the O2 sensors, right behind the cats.</strong></font><hr /></blockquote><font size="2" face="Verdana, Helvetica, sans-serif">From the pics I have seen of duel setups, they usually cut the collector off of the ypipe and run duels from there.
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Re: True Dual Exhaust Question
hmmm... So, they'd put a Y right after the factory Y, put on a pair of mufflers and go from there... So it kinda forms an X-pipe, in a sense... Mine's a slightly different concept - I have a single muffler right after the factory Y with a Y after the muffler... hmmm... Sorry, I'm more or less just thinking out loud, now... <img border="0" title="" alt="[Smile]" src="gr_stretch.gif" />
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Re: True Dual Exhaust Question
Ahhh, I understand now... Uhhh, did the original question get answered?
<small>[ September 28, 2002, 05:54 PM: Message edited by: DuckOfDeath ]</small>
<small>[ September 28, 2002, 05:54 PM: Message edited by: DuckOfDeath ]</small>
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Re: True Dual Exhaust Question
If you go true dual on stock cubes under 350ci, don't go bigger than 2.5" and I suggest an X pipe since the crossover is not even. Look in mods page and see pics of my setup.
<small>[ September 28, 2002, 08:25 PM: Message edited by: Fast4.8 ]</small>
<small>[ September 28, 2002, 08:25 PM: Message edited by: Fast4.8 ]</small>
#9
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Re: True Dual Exhaust Question
I cut the Y off and ran 2 separate pipes into a stock muffler from a 2002 ford lightning which has dual inlets and dual outlets. I have 2 pipes from the muffler out the back (all 2.5") Last night at the track I unhooked the muff just to see and it made NO performance difference. I am happy with this setup.
#10
Re: True Dual Exhaust Question
</font><blockquote><font size="1" face="Verdana, Helvetica, sans-serif">quote:</font><hr /><font size="2" face="Verdana, Helvetica, sans-serif">Originally posted by L-EATER:
<strong>I cut the Y off and ran 2 separate pipes into a stock muffler from a 2002 ford lightning which has dual inlets and dual outlets. I have 2 pipes from the muffler out the back (all 2.5") Last night at the track I unhooked the muff just to see and it made NO performance difference. I am happy with this setup.</strong></font><hr /></blockquote><font size="2" face="Verdana, Helvetica, sans-serif">I haven't see you around in awhile, done any more mods to your truck? Any new bests?
<strong>I cut the Y off and ran 2 separate pipes into a stock muffler from a 2002 ford lightning which has dual inlets and dual outlets. I have 2 pipes from the muffler out the back (all 2.5") Last night at the track I unhooked the muff just to see and it made NO performance difference. I am happy with this setup.</strong></font><hr /></blockquote><font size="2" face="Verdana, Helvetica, sans-serif">I haven't see you around in awhile, done any more mods to your truck? Any new bests?
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