Subject	There seems to be a lot of confusion about how to
Posted by	zellamay on July 14, 2011 at 1:00 PM
	This message has been viewed 228 times.
In Reply To	How come you are measuring OD instead of ID? (n/m) posted by ZXoltan on July 13, 2011 at 02:19 PM
Message	measure. The people who make exhaust components buy raw material as "tube" or "pipe". Tubing is nominally measured on it's outside diameter, and piping on the inside diameter. Different materials are available in different sizes, depending on the manufacturer of the tube or pipe. In other words, nominal names, like "2-1/2" don't tell the whole story of the size of the exhaust component, which depends on whether it starts as tubing or pipe, and what the wall thickness is. A buyer has to dig deeper to find out what you are actually getting. This does not make the sellers dishonest, they are just using the nominal "name" of the tube or pipe, (but I do have to say here that there is no "2-1/2" tube or pipe that has a 2.4" o.d.) You can google "tube" or "pipe" sizes to see all the possibilities.
Follow Ups	Z1 2.5" Stainless Steel Twin Turbo Testpipes - ukrdon2006 12:23:24 07/13/11 Im pretty sure that anyone on here would say that they - Rogy 12:28:50 07/13/11 specialtyz for downpipes (n/m) - vulcanrush 12:33:43 07/13/11 2nd to infinity (n/m) - BigTDogg (MA) 14:07:10 07/13/11 lol (n/m) - jschrauwen 15:25:44 07/13/11 yeah, i hear they also tune pretty well (n/m) - vulcanrush 15:46:25 07/13/11 Get back under your bridge (n/m) - BigTDogg (MA) 15:53:56 07/13/11 Really? Seriously? (n/m) - Aqualung 16:09:20 07/13/11 lol at your lol (n/m) - jzx 18:28:39 07/13/11 Absolutely. (n/m) - SeedyROM 14:19:13 07/14/11 Z1 TT testpipes are full 2.5" OD and we have them produced - Russell@Z1 12:54:21 07/13/11 I bought my Z1 test pipes in 2008. - huey24nissan(NC) 13:10:06 07/13/11 So whats the ID of them? (n/m) - new2boost 13:46:18 07/13/11 I have them, no trouble with fitment, went right in place - z-u-later 14:12:43 07/13/11 I have the Z1 down pipes as well. - huey24nissan(NC) 15:49:27 07/13/11 How come you are measuring OD instead of ID? (n/m) - ZXoltan 14:19:58 07/13/11 Because "We have 2.35" test pipes" doesn't sound so good. (n/m) - dogpile 14:31:27 07/13/11 And that's a general statement, not a dig on Z1 (n/m) - dogpile 14:46:27 07/13/11 so my megan racing 2.38" test pipes are better? :O (n/m) - fuzzymonkey 17:53:53 07/13/11 my guess is that most companies refer to 2.5" exhaust. - Cruicad 14:49:03 07/13/11 It is industry standard for exhaust system sizes to be - Russell@Z1 19:24:59 07/13/11 This is standard practice. 3 inch piping is really 2 7/8". (n/m) - ZiNnYc 20:30:33 07/13/11 Depends on where it's sourced (n/m) - BigTDogg (MA) 20:55:21 07/13/11 I have SZ, LaBree and B&B 3 inch components - ZiNnYc 20:58:58 07/13/11 There seems to be a lot of confusion about how to - zellamay 13:00:26 07/14/11 Are the stock h-pipes usually difficult to separate from the - Haasz32 11:33:00 07/14/11 2 bolts, 2 nuts. - Woody75 (Denver) 11:44:47 07/14/11 Have you searched and read a lot on this site, to determine - zellamay 13:18:42 07/13/11 Re: Have you searched and read a lot on this site, to determine - ukrdon2006 13:29:39 07/13/11 ECU first. (n/m) - zellamay 15:24:18 07/13/11 Sounds like you want to mildly mod your Z, beyond the - samsungz 15:27:57 07/13/11 Mine worked just fine when I had them attached to 5 bolt DP (n/m) - jschrauwen 15:24:00 07/13/11 I don't think anybody answered your other question: - zellamay 15:38:06 07/13/11 Re: I don't think anybody answered your other question: - ukrdon2006 09:15:26 07/14/11 Watch the offsets. I know that 350Z wheels fit nicely. - zellamay 13:02:28 07/14/11
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