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4everRS
January 13th, 2012, 02:57
Title says it all. Anyone know what the downpipe diameter is (stock) around the cat?

Anyone interested in a set of ss test pipes to vband in? Theyll have o2 bungs welded in I'm gonna have a exhaust shop make a set for me and while their at it, they could easily make a couple sets.

speedtrapped
January 13th, 2012, 03:28
Hmmm, I'm thinking of getting rid of my DBR 100 cells, I might be interested.
Sorry I'm to lazy to know the answer u seek.
;)

Benman
January 13th, 2012, 04:35
Sorry I'm to lazy to know the answer u seek.
;)No doubt! The car is 15' from where I'm sitting but I'm too lazy to walk over and measure... I'm getting useless in my old age! :D

hahnmgh63
January 13th, 2012, 11:12
My car is sitting on the lift and 7' up in the air but alas I'm 7,000 miles away from it and can't measure it for another 2 weeks. I can say that I think it is 2.5" per bank and the Milltek downpipes are 2.75" as the Milltek's slipped right over the stock exhaust almost perfectly and I used V-band clamps to seal it. I can't be 100% for sure until I get home, maybe they were only 1/8" difference?

kevin
January 13th, 2012, 12:58
I'll measure mine and get back with the OD this morning.

4everRS
January 13th, 2012, 15:40
I'll measure mine and get back with the OD this morning.
Great Kevin, thanks. Could you also check to see how for it is from the front of the cat to the middle of the clamp ?

Btw, do you have any track events on you calendar next summer?

MaxRS6
January 13th, 2012, 15:47
^There is an Audi event at Mid-Ohio early July. I'm considering it...Up to it???

JSRS6
January 13th, 2012, 17:44
July 21,2013 to be exact. :hihi:

JSRS6
January 13th, 2012, 17:46
Oh, you said mid-Ohio. you're gonna have a busy July next year, huh?

MaxRS6
January 13th, 2012, 18:42
T.J.- Boost up count...

The Mid Ohio AudiFest is on July 6-8/2012- this year. I've never been there and a good friend of mine will be there..Thus; Mad Max may make the 12 hour (one way) journey...

http://www.wix.com/cyberpmg/acna-ohio_valley#!classes

JSRS6
January 13th, 2012, 19:07
Ok, Kyle said next summer. Maybe he meant this summer.

kevin
January 13th, 2012, 19:46
the OD is 2.5" and you probably should figure at least 24'' of pipe to replace each cat... It's easier to shorten them if needed.

kevin
January 13th, 2012, 19:48
Great Kevin, thanks. Could you also check to see how for it is from the front of the cat to the middle of the clamp ?

Btw, do you have any track events on you calendar next summer?

Hopefully attend the BIR Audi Club Event this fall.

4everRS
January 13th, 2012, 20:54
Ok, Kyle said next summer. Maybe he meant this summer.Sorry. Yea, this summer

4everRS
January 13th, 2012, 21:51
the OD is 2.5" and you probably should figure at least 24'' of pipe to replace each cat... It's easier to shorten them if needed.

Thanks a bunch Kevin