T04E Universal Turbo t3 flange pipe bov wastegate turbocharger up to 400+ HP December 2, 2023t04eflange, pipe, t04e, turbo, turbocharger, universal, wastegateadmin Exhaust Inlet Flange: T3 T4 4 bolt Flange Patterns. 1 x BOV pipe: can install anywhere suitable. Exhaust Outlet pipe Flange: 5 bolt Flange. 1 x 35/38MM Wastegate: 35/38mm External Waste Gate Kit.