6Boost T4 Twin Scroll Top Mount Turbo Manifold | Nissan RB20 / RB25 / RB26

The 6Boost T4 Twin Scroll Top Mount Turbo Manifold delivers maximum exhaust flow and structural durability for high-horsepower Nissan RB20, RB25, and RB26 engines.

Hand-crafted in Australia using heavy-wall steam pipe and a precision-engineered merge collector, this manifold eliminates internal flow restriction and ensures even exhaust scavenging across all cylinders.

Key Features & Benefits:

• T4 Twin Scroll Design: Divided turbine entry maximizes turbo spool, transient response, and exhaust energy utilization.
• Precision Merge Collector: Eliminates runner cross-flow and directs exhaust pulses smoothly directly into the turbine inlet.
• Heavy-Duty Construction: Expertly welded using premium high-temperature materials to prevent cracking under extreme thermal cycling and boost pressure.

Technical Specifications:

• Material / Build: Heavy-wall steam pipe with precision-machined flanges
• Configuration: Top mount, T4 twin scroll, single 50mm wastegate port
• Compatibility: Nissan RB20DET, RB25DET, RB26DETT engines
• Warranty: 6Boost Limited Lifetime Structural Warranty
• Brand: 6Boost