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Old 01-29-2007, 03:55 AM   #1
MarkRx
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Default Stage 2 old vs. new cobb downpipe?

This is accessport related since it requires a downpipe to run stage-2. Cobb has an older version catted downpipe and of course the current catted one. I can see a difference in the cast housings, but does anyone know the real differences in these downpipes? i.e. thicker flange, 304 or 321 SS, 3.0" diameter all the way till the 2'5 donut flange, 200, 400 cell catalytic?, metal or ceramic substrate,? fittment issues?, angle, etc etc.
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Old 02-03-2007, 05:49 PM   #2
silverwrx666
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I would send cobb an email. They made it so there your best bet
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Old 02-05-2007, 04:09 AM   #3
MarkRx
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i did 3 weeks ago, no reply like always.
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Old 02-05-2007, 12:55 PM   #4
parker/slc/gc8fan
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Cobb's old version downpipe had a slighly longer bellmouth section made of thicker stanless steel.

It was heavier, and it was a little quieter, due to the bellmouth section being that much bulkier.

This is in the AP forum?

Last edited by parker/slc/gc8fan; 02-05-2007 at 01:02 PM.
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Old 02-06-2007, 03:42 AM   #5
MarkRx
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yeah bc i was looking for a dp so i could use my AP to goto stage 2... i wasn't impressed with the old bellmouth ugly as sin, stainless steel or cast?? i ended up buying a new one, now learning i have issues with my v2 AP. not sure if i want to take the risk flashing it to stage 2 quite yet.
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