BULL BOOST B-Series Forward Front Facing T4 Turbo Manifold (B16/B18/B20 GSR – SFWD, Twin Scroll)

BULL BOOST B-Series Forward Front Facing T4 Turbo Manifold (B16/B18/B20 GSR – SFWD, Twin Scroll)
Part Number: 720595369435

Step into serious boost performance with the BULL BOOST Forward Facing T4 Turbo Manifold, engineered for high-horsepower B-series builds that demand maximum flow, fast spool, and aggressive turbo placement on Honda Civic and similar chassis.

Designed with a forward-facing layout, this manifold positions the turbo for optimal airflow, easier intercooler routing, and a cleaner engine bay setup—perfect for street, drag, and high-performance applications.

Built from extra-thick 3mm seamless stainless steel, the BULL BOOST manifold is overbuilt to handle extreme heat and high boost without cracking or warping. The flange is precision-machined after welding to ensure a perfect seal and long-term reliability under demanding conditions.

At the core of the design is a true dual 2-1 merge collector, maximizing exhaust pulse efficiency for improved spool characteristics and higher horsepower output. Fully TIG welded and ported, this setup ensures smooth exhaust flow and consistent turbo performance across the entire powerband.

Equipped with dual 44mm V-band wastegate flanges, this manifold provides superior boost control for high-power, twin-scroll turbo setups. The T4 twin scroll flange supports larger turbochargers, making it ideal for builds targeting serious horsepower numbers.

Key Features:

• Designed for B-series engines (B16, B18, B20, GSR)
• Forward-facing turbo layout for optimal setup and clearance
• T4 twin scroll flange for high-performance turbo applications
• Extra-thick 3mm seamless stainless steel construction
• CNC-machined flange surface for perfect sealing
• True dual 2-1 merge collector for improved spool and power
• Fully TIG welded and ported for maximum exhaust flow
• Dual 44mm V-band wastegate flanges for precise boost control
• Hardware included for installation

Fitment:

• Honda Civic EG / EK / Integra DC2 (B-series swaps)
• Designed for SFWD (single forward-facing turbo setups)

Built for high boost, high power, and serious performance, the BULL BOOST Forward Facing T4 Manifold delivers the flow, durability, and turbo efficiency needed to take your B-series build to the next level.