Stock exhaust diamiter

hella 325

Grease Monkey

Join Date: Sep 2004

Posts: 380
#1

Stock exhaust diamiter

02-12-2005, 08:56 AM

what is the diamiter of the stock pipes on the 325is? (not the tips, the pipes from teh cat to the muffler)

Russell
1987 325is
1992 240sx coupe
1994 525i
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hella 325

Grease Monkey

Join Date: Sep 2004

Posts: 380
#2

02-12-2005, 11:34 AM

anyone?

Russell
1987 325is
1992 240sx coupe
1994 525i
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325Projectz

E30 Mastermind

Join Date: Jan 2005

Posts: 1956
#3

02-12-2005, 01:30 PM

I want to say its 1 7/8 but i'm not 100%

91 m3
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Mystikal

Moderator
Wheel Fitment Expert

Join Date: Nov 2003

Posts: 9602
#4

02-12-2005, 04:09 PM

2 x 45mm
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