Audi UrS6 - A New Beginning With An Old Friend

1995 Audi S6 C4 400whp 116k Miles MOD LIST: Stock Factory AAN Engine 116k Miles VEMS V3 ECU on E85 max 400whp @ 25psi FIC 1200cc injectors Walbro 450 with EFI Express fuel pump harness E85 flex fuel sensor kit quattro4life custom turbo kit Garrett GTX3071R @ 25psi max boost on stock engine with E85 OBX Ebay/Amazon exhaust manifold Tial 38mm mvs external wastegate with screamer pipe Custom 3“ exhaust with Magnaflow muffler Southbend Stage III Clutch with Factory Dual Mass Flywheel Apikol front mount intercooler Stock Suspension and Brakes for now