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Old 11-19-2004, 06:11 PM   #46
snvin
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Join Date: Dec 2003
Chapter/Region: Tri-State
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2009 2.5i. Bleh.
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Quote:
Originally Posted by hey1

So in some way, one should be more efficient than another downpipe. If the turbulance really is that bad part, then perhaps the divorced flange is better because there must be an important reason why they have a design to separate the two distinct gasses to begin with. So is there anyone that has experiences with both bell mouth and divorced downpipe before?

Different tuners have different theories regarding this.
Some say divorced is better, some prefer bellmouth. Both are good.
Personally, I have a divorced DP (Bosal), and I have experienced no issues with it whatsoever -- but I am running the divorced design because I wanted a 'short' DP that would allow me to use the stock 3rd cat, and most 'short' DPs are divorced/twin dump.
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