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exaust diameter?

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Old 12-07-2006, 02:01 PM
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exaust diameter?
ok quick question. im going to order a new muffler for my 98 2.7 4runner what is the eaxust diameter? i think its 2.25.
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Old 12-08-2006, 02:35 PM
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Yea its 2 1/4.
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Old 12-09-2006, 09:42 AM
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Same for 3.4?
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Old 12-09-2006, 09:45 AM
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3.4 can go up to 2 1/2 I do believe.
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Old 12-09-2006, 12:35 PM
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2-1/4'' for the 3.4L flares to 2.5'' at the tip so dont count that
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Old 12-09-2006, 09:36 PM
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Hmmm time to start surfing eBay for some better sounding exhaust. Maybe gut the cat.
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Old 12-09-2006, 09:49 PM
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Originally Posted by 4Runner210
Maybe gut the cat.
Not this again...
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Old 12-09-2006, 09:50 PM
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no leave the cat alone i love my 18'' magnaflow muffler click my link in my sig for clips and part #'s
Last edited by Elton; 12-09-2006 at 10:12 PM.
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Old 12-09-2006, 09:58 PM
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what am I missing about gutting the cat?
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Old 12-09-2006, 10:02 PM
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just dont do it wont gain anything by doin so
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Old 12-09-2006, 10:08 PM
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Originally Posted by 4Runner210
what am I missing about gutting the cat?
It's been a topic of pretty heated discussion here at YT. I realize you may not have known that and suggested it with good intentions (power increase). However, for 95% of the rigs on this forum removing a functioning cat won't do anything but stink and move the power curve of the engine around. A better alternative is to go with a high-flow cat from Car Sound or similar should one feel their stock cat is not functioning properly.

The issue here is mostly that there are misconceptions surrounding removal of a functioning cat. It really doesn't do much but pollute the air we all breathe for minimal -if any- gains in power.
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Old 12-09-2006, 10:16 PM
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awesome going to start a cat fight .... if its not plugged or throwing codes its fine
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