Question regarding exhaust manifold and aftermarket cat

ShinsenTuner

New and fresh.
I have a 96-97 JDM ITR header that I want to use (cast iron 4-2-1 design) and I want to use it in conjunction with a test pipe (with mechanical o2 trick for OBD2 computer and daily driven on an OBD1 Phearable.net ECU). My question is: The car is a 00' Integra GSR coupe, which test pipe do I purchase for it? I am interested in getting an Invidia one but the 00-01 Integra cat lengths are not listed (only 94-97 GSR), however they have one for a 94-01 LS, should that one work?
 
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