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Old 11-11-2003, 05:26 PM   #41
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Quote:
Originally Posted by SSEi
The origional size on the bonnevilles is 2 and a 1/4 i think. And if you goto 2.5 without mandril bends you are actually going to loose flow. When my muffler place saw that the origional was all mandril bent they were preaty impressed. They said they could go 2.5 but they can't mandril bend the tubbing and i would acutally loose flow just cause of the amount of bends in the system. I have no catalytic converter and 4 feet of resonator with a Flowmaster 80series muffler
I know the SSE and SSEi are 2.5" all the way back, with 2.25" outlets. I believe the SE/SLE is 2.25" (depending on year) but we need some measurements taken for proof.
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Old 11-11-2003, 05:30 PM   #42
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i know for sure that mine is 2.25 into the muffler
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Old 11-11-2003, 05:31 PM   #43
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Want me to find out what'* on the backside of the N10 muffler?
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Old 11-11-2003, 05:35 PM   #44
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We need to know all we can. I'm pretty sure the SLE got the bigger exhaust after the SSE was discontinued. That would be 98 for starters? So every SE and SLE from 92-97 should have 2.25", while the others have 2.5"?

This is probably pretty close, but maybe not entirely accurate.
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Old 11-11-2003, 05:45 PM   #45
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Well my RPO says "GM High flow exhaust" and i know the muffler is louder then stock SSE/i ones even, after hearing them they make mine sound loud.
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Old 11-11-2003, 06:52 PM   #46
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I'm 2.5 " ..every info counts...lol
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Old 11-11-2003, 06:53 PM   #47
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I mean your exhaust.....not your.....never mind.

What we really need here is the SE/SLE exhaust diameters for every year from 92-99.
Don't measure at the tips. Measure somewhere between the cat and muffler. I may split this post apart into Performance as this goes.
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Old 11-11-2003, 06:55 PM   #48
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Quote:
Originally Posted by willwren
I mean your exhaust.....not your.....never mind.

What we really need here is the SE/SLE exhaust diameters for every year from 92-99.
Don't measure at the tips. Measure somewhere between the cat and muffler. I may split this post apart into Performance as this goes.


funny will. sorry can't help you with the SLE info.
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Old 11-11-2003, 07:16 PM   #49
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I just measured the old pipe from the cat on my 96 SE and it'* 2.25
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Old 11-11-2003, 07:18 PM   #50
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I was just thinkin.. my outlets are both 3" wide ..due to the tips i bought on pfyc.com (designed for a grand prix) ..is that outlet gonna make it sound a worlds of difference?
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