Volvo 740, 940 Sheet exhaust kit for top head B204 and B234 16V: Pipes shape made suitable for Volvo 740, 940 Cylinders 1-4 and 2-3 together and collector 2.5" Inner diameter of primary pipes: 42 mm Inner diameter of secondary pipes: 48 mm The output of the collector is 2.5" The exhaust system must be at least 2.5" overall to provide good torque to the engine.
