2 X 3"Header To 2.5"OD With O2 Bung Exhaust Pipe Ball & Socket Collector Reducer. MAN MADE. Silver. Manifolds & Headers. 300250BS2O2.

Hedman 3 in. Ball-Style Header Reducer W/O2 Bung- 2-1/2 in Exhaust 21143

2.5"Ball Header To 2.5"ID Aluminized Pipe 2 Bolt Socket Reducer With O2 Bung USA

New Front Exhaust Down Pipe Headpipe Manifold Pipe High Quality MGB 1963-1974

2.5""Ball Header To 2.5""OD Exhaust Pipe 2 Bolt Socket Collector With O2 Bungs USA

O2 Oxygen Sensor Fitting Plugs Or Weld Bungs (10 Pack Steel Bungs, M18 X 1.5) (10 Pack Steel Bungs, M18 X 1.5)

2.5" Header To 2.5" Exhaust Ball & Socket With O2 Bungs 409 Stainless Collector. MAN MADE. Manifolds & Headers. 250BSS2O22.

Weld Bung For Oxygen Sensor 10 Pack Stainless Steel O2 Exhaust Down Pipe Turbo. Boost Monkey. Other. Bm1194a.

2.5"Ball Header To 3"OD Exhaust Pipe 2 Bolt Socket Collector With O2 Bung. MAN MADE. Manifolds & Headers. 250300S102.

2.5"Ball Header To 3"OD Exhaust Pipe 2 Bolt Socket Collector With O2 Bungs

2.5"Ball Header To 2.25"OD Exhaust Pipe 2 Bolt Socket Collector With O2 Bung. MAN MADE. Manifolds & Headers. 250225S102.

2.5"Ball Header To 2.5"OD Exhaust Pipe 2 Bolt Socket Collector With O2 Bung. MAN MADE. Manifolds & Headers. 250S1O22.

2.5" Ball Header To 2.5" OD With O2 Bung 2 Bolt Socket Collector Reducers. MAN MADE. Silver. Manifolds & Headers. 250SO2.