Whats the diff. between JDM and US 4-1....
lookin to replace headers on the B16 in my CRX and I was on Jspec and they have the dc 4-1 and the jdm 4-1, I have the 4-2-1 dc in ceramic, so should I get the jdm 4-1, and if I do, do I need the flange adapter since I already have dc headers on or just the header itself
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jdmcivicsi7
All Motor / Naturally Aspirated
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Mar 15, 2006 10:34 AM



