# I've decided, cut up my WSP testpipe and weld a cutout in place....

Posted by Aaron (92 SE Auto) on October 02, 2003 at 00:49:33: In Reply to: Great, so it's measured by OD. Thanks for clearing that up. I'm guessing I need a 2.25" for my stock Bpipe just after my testpipe. n/m posted by Aaron on October 01, 2003 at 19:00:31: It keeps the flanges, plus I would have plenty of room for the electric valve for the cutout... since it's where the cat use to be. :) : : give or take a fraction of a MM on these, but ID is about 61mm(2.4") and the OD is roughly 64mm(2.51") : : I was looking at the flow tech box and they have a 2.25" slip fit version as well. Replys: yup thats what I'm doing... DA-MAX (1990 integra GS) 07:06:37 10/02/2003 (1) Yeap, same here. n/m Aaron (92 SE Auto) 16:59:38 10/02/2003 (0)

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: It keeps the flanges, plus I would have plenty of room for the electric valve for the cutout... since it's where the cat use to be. :) : : : : give or take a fraction of a MM on these, but ID is about 61mm(2.4") and the OD is roughly 64mm(2.51") : : : I was looking at the flow tech box and they have a 2.25" slip fit version as well.