Aussie spec ITR = 4-2-1 stanless steal top 2 peice, 2" collector - shit
JDM 96 spec ITR = 4-2-1 cast top 2 piece, 2.5" collector - shit
JDM 98 spec ITR = 4-1 stanless 1 piece, 2.5" collector - good shit
I'd take the 2nd hand 98 spec ITR header over the x-force if they cost the same.

