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Speedfactory Stainless Turbo Manifold Forward Facing BSeries Divided T4 Twin 44-46mm W/g

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The SpeedFactory B-Series Forward Facing Outlaw Turbo Manifold has set and broke several world records on our own B-Series powered race cars. This manifold is for EXTREMELY high powered applications where maximum torque and horsepower are desired on high-revving racing engines fitted with larger T4 turbochargers.

Our custom, ultra-long merge collectors create a turbulent-free area for the exhaust gas to enter the turbine housing in even pulses at high velocities- making it the ultimate drag race manifold. Precise boost control is enabled by the properly merged and truly divided 60MM wastegate flange, allowing for large amounts of wastegated exhaust flow and better traction.

Our Forward Facing manifold is constructed from high quality 1.5” Schedule 40 polished stainless steel, and is TIG-Welded and back purged to ensure that you are receiving the highest quality product possible. Our cylinder head and turbine inlet flanges are CNC machined from ½” plate 1018 Steel and all mating surfaces are machined flat ensuring a perfect seal.


- Available with either T4 open or T4 divided style turbine inlet (with correct cylinder pairing)

- Available with Tial's 60mm Wastegate Flange or TurboSmart's Power Gate 60mm Wastegate Flange


All fabricated components are built to order.

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