I HAVE A CUSTOM EXHAUST MANIFOLD FROM A 1998 1.8T QUATTRO, IT HAS A T25 FLANGE I TOOK IT OFF MY 98 A4 WITH A GT 28RS, BECAUSE I BEND MY RODS SO I AM BUILDING MY MOTOR FULLY RACE I AM SELLING IT FOR $575.00, NOT STAINLESS, I AM GETTING A GT35 ,SO I CANT USE THAT MANIFOLD NO MORE SO I AM TRYING TO GET RID OF THAT MANIFOLD. I HAVE A2001 A4 1.8T QUATTRO WITH 25,000 MILES ON THE BODY AND THE ENGINE HAS 3,000 MILES, IT HAS A LOT OF GOODIES,FRONT MOUNT INTERCOOLER,CUSTON EXHAUST MANIFOLD,FUEL RAIL AND FUEL PRESSURE REGULATOR,INJECTORS,T4 TURBO,MICRO TECH COMPUTER,BOOST GUAGE AND EGT GUAGE.