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  1. 1.6 - 2.0 jtdm intercooler couplings-coonections

    Alfa Giulietta
    Hi everybody , I need help ☺ see on doc enclosed, i would like to know the ext diameter of the item N°9 or internal diameter of the elbow N°2 i need to know this because im going to install a 2.0 jtdm interco on a 1.6jtdm. I know that outlets of the 2.0 IC are 57mm but i dont know what size on...