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1989se-i
10-04-2002, 01:26 PM
Whats the stock Exhaust diameter?
I need to know before i purchase a muffler!

A20A1
10-04-2002, 01:31 PM
The downpipe is 2" (50.8mm)
The flex pipe on becomes 1.75" (44.45mm)

A20A1
10-04-2002, 01:38 PM
and the muffler shop has adapters that will change the port of the muffler to a larger or smaller diameter if needed... get a 2.25" inlet muffler... that way if you upgrade the exhaust pipe to 2.25" later on you won't have restriction at the muffler inlet.

dXsquared
10-04-2002, 01:39 PM
yah
what they said.
Travis


I AM A WHORE!!!!!!!!!!!!

89lxi95zx7
10-04-2002, 01:40 PM
I have 5 exhaust clamps to go from 2.5" to 1.75"(so much for weight reduction)

A20A1
10-04-2002, 02:07 PM
damn! the exaust shop i went to just took a 2.5" pipe and ran it thru a machine that made the 1.75" opening on one side.