Turbo downpipes have no 2+0 or 2+2 specification. NA test pipes (usually sold as "2+2") do not mate with after market TT downpipes or USDM downpipes. However, they will mate up with JDM stock downpipes if you happen to have these. Test pipes are not specific to 2+0 or 2+2, they are specific to NA or TT. The rest of the exhaust (h-pipe + catback) will need to be 2+2 specific. Hope this helps.
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