The BD-Power 1045995-T4 Ported T4 Exhaust Manifold and the 1045995-T6 Ported T6 Exhaust Manifold both feature a larger runner sizes for enhanced flow and a T4 or T6 flange to mount to an aftermarket turbocharger.
It features built-in heat expansion joints which prevent cracking, and the heavy cast HiSi Ductile Iron retains heat energy.
For maximum and increased flow this manifold is casted with ports and runners that match the inlet gasket within 0.03".
The center mounted turbo flange is angled at an optimum 20° rather than 40º and helps with mounting S400,S500 and other larger/competition turbochargers.
This product is not available for sale in California.