Exhaust manifold VW 8V T3/T4 TURBO Mazda which is confirmed by its

which is confirmed by its homologation

The diameter of the exhaust device window: 39mm

They are capable of transferring very high torque (some models 1000Nm+)

Kia Optima G4FJ 1

Ferrari 458 Spider V8 4

Exhaust manifold VW 8V T3/T4 TURBO Mazda which is confirmed by itsExhaust manifold for turbo designed for: Volkswagen 8V T3 T4 TurboWorks exhaust manifold made of cast iron. When performing engine tuning, the exhaust manifold should be replaced at the very beginning, because the exhaust gases from the cylinder go to the exhaust manifold, which is part of the engine body, then directed to the first section of the exhaust pipe, and then to the muffler or several in series silencers and then to the exhaust tailpipe. We