the newer ones done have cats fitted like we require for our emissions mate, its not the end of the world though you can use our mk3 golf units/ecu/lambda probe, but the likelyhood is it will already be done for you, im selling one if you are interested? 2.0 carb, dark blue with purple flake, 1995 m', 60,000 miles with full vag history, new vented brembo disks and fast road pads, new clutch and pressure plate, new boge gas shocks and sports springs, drop us a pm and ill leave you my number,
cheers,
paul