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venomous
04-07-2002, 08:30 PM
How big is the piping on the N1 system for a 94-97 GSR? I am ordering a test pipe and I need to know whether to get the 2", 2.25" or the 2.5" one. Thanks.

EkHatch97
04-07-2002, 10:14 PM
the diameter is 3" but i dont kno how is the piping :???:

venomous
04-07-2002, 10:43 PM
Thats what I meant. How big is the diamter of the piping? Thanks though. I guess I will be ordering a 2.5" test pipe tommorrow.

purple ek
04-10-2002, 03:37 AM
bigger than 2 1/4 but smaller than 2.5...the mm size is 60mm...

where did u find a 2.5 apexi n1?