BULL BOOST PERFORMANCE SR20DET T3/T4 Twin Scroll 44mm Top Mount Turbo Manifold Kit for S13 S14 S15 180SX 240SX

BULL BOOST PERFORMANCE SR20DET T3/T4 Twin Scroll 44mm Top Mount Turbo Manifold Kit for S13 S14 S15 180SX 240SX
Part Number: 46503812104412

Take your SR20DET build to the next level with this high-performance Bull Boost Performance T3/T4 twin scroll top mount turbo manifold kit. Designed for serious street, drift, and track applications, this manifold is engineered to maximize exhaust flow efficiency, improve turbo response, and support high-horsepower turbocharged setups.

Constructed from heavy-duty 304 stainless steel thick-wall tubing, this manifold is built to withstand extreme heat and high boost pressures while resisting cracking under demanding driving conditions. The true twin scroll design helps optimize exhaust pulse separation, improving turbocharger efficiency and promoting faster spool characteristics across the RPM range.

Each manifold is precision TIG welded and back-purged to ensure maximum weld penetration, durability, and long-term reliability. The true merge collector design improves exhaust gas velocity and flow balance into the turbocharger, making this manifold ideal for performance-focused SR20DET builds.

Designed around a top-mount configuration, this setup offers aggressive engine bay styling while allowing increased flexibility for larger turbocharger combinations and external wastegate routing.

Key Features & Specifications:

• T3/T4 twin scroll turbo flange configuration
• Dual 44mm V-band external wastegate flanges
• Heavy-duty 304 stainless steel thick-wall tubing
• Precision TIG welded and back-purged construction
• True merge collector for improved exhaust flow efficiency
• Top-mount turbo manifold layout
• Designed for high-boost and high-horsepower applications

Performance Benefits:

• Improved turbo spool and throttle response
• Increased exhaust flow efficiency
• Better exhaust pulse separation with twin scroll design
• Enhanced durability under extreme heat and boost conditions
• Supports large-frame turbocharger setups

Vehicle Fitment:

• Nissan Silvia S13 SR20DET (1989–1994)
• Nissan Silvia S14 SR20DET (1995–1998)
• Nissan Silvia S15 SR20DET (1999–2002)
• Nissan 180SX SR20DET (1989–1998)
• Nissan 240SX SR20DET Swap Applications (1989–1998)

Installation Note:
Professional installation is strongly recommended. Custom fabrication, turbo setup configuration, and supporting modifications may be required depending on turbocharger and vehicle setup.

Warranty Notice:
All warranties, claims, and product-related issues must be handled directly through BULL BOOST PERFORMANCE.