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Old 02-15-2013, 04:17 PM
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hornhospital hornhospital is offline
D'oh, You kids!
Location: In the Grumpy Chair
 
Join Date: Jan 2008
Posts: 13,195
Mein Auto: 1995 318is / 1993 325is
The real question is what size are the twin pipes coming out of the cats? Or is that one of them? That makes a HUGE difference. That would make the outlet cross section 6.283 sq. in. total , not 3.543
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1995 318is "Bebe"; 1993 325is "Elvira" 1985 635CSi "Katja" 1984 633CSi "Sylvia"
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Last edited by hornhospital; 02-15-2013 at 04:22 PM.
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