The DOC Race Topmount Turbo manifold is for the more extreme setup looking for the potential limit of the vehicles engine. The DOC Topmount manifold can still be used for “streetable” vehicles, but is solely designed to make maximum horsepower and allow you to fit much larger frame turbo’s then our traditional T25 Bottom-mount. D.O.C. still applies our elaborate porting process to complement maximum flow within ALL of our manifolds.
Tial V-band Inlet flange
Option for MVS or MVR V-band wastegate flange
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