Why Upgrade Your RB Turbo Manifold?
Factory manifolds restrict airflow and limit turbo efficiency. This upgrade gives you:
- Improved exhaust flow
- Faster turbo spool
- Better power potential
Translation: more air in, more power out.
The heart of any Turbo system is the Manifold and the Turbocharger. These form the basis where the rest of the turbo system is built around.
Vehicle & Engine Compatibility
Designed for Nissan RB engines:
- RB20DET
- RB25DET
- RB26DETT (custom applications)
(Fitment may vary depending on chassis—RB swaps are never “plug and play.”)
Turbo manifolds have only one, but the most critical purpose in turbo systems, and that purpose is to expel exhaust gas into the turbine of a turbocharger as efficiently as possible. There is no match for power and performance for tubular stainless steel manifolds.
RB20 RB25 T3 turbo manifold stainless steel 38mm wastegate – Key Features
- T3 Turbo Flange
Supports a wide range of T3 turbochargers for flexible builds. - 38mm External Wastegate Port
Designed for precise boost control and improved exhaust flow. - Stainless Steel Construction
High-strength material resists cracking and handles extreme heat. - High-Flow Tubular Design
Improves exhaust scavenging and turbo efficiency. - Performance-Oriented Layout
Built for upgraded turbo systems and higher horsepower goals.
Tubular manifolds are made up of runners coming from each cylinder, meeting up at a collector. Tubular manifolds yield a higher efficiency rate, as each runner is generally the same circumference.
What It Does Best
- Improves turbo spool time
- Increases exhaust flow efficiency
- Supports higher horsepower builds
- Enables external wastegate setups for better boost control
This tubular manifold furthers the even exhaust flow using “equal length” runners. Equal length tubular manifolds are the most efficient design, which ensures equivalent air flow rate smoothly from each cylinder. This allows for a much smoother flow of exhaust gas to the turbo.
Performance Potential
Let’s be clear:
- Better flow = faster spool + more power
- Paired with the right turbo → significant horsepower gains
This isn’t just an upgrade—it’s a foundation for your build.
What It Won’t Do
Let’s keep it real:
- Doesn’t include turbo or wastegate
- May require custom downpipe/intercooler piping
- Not a simple bolt-on for every chassis
This is a core turbo component, not a complete kit.
Tubular stainless steel manifolds are chosen over cast manifolds for big power applications. Tubular stainless manifolds feature better and more consistent flow of exhaust gases. Most of the tubular Stainless manifolds also feature the placement of the waste gate flange towards the middle of the collector to allow accurate readings and precise control. Replace for 85-99 Nissan Skyline R31/ R32/ R33 ALL Models Above with a 2. 0L l6 DOHC RB20(DET)/ RB25(DET) Engine ONLY
Made of High Quality T-304 Polished Stainless Steel Alloy Material for Strength and Durability
Tubular Design with Equal Runners to Ensure Equivalent Exhaust Flow Rate from each Cylinder
TIG Welded CNC Machined Flange for Resistance against Cracking and Wearing
Increase Engine Exhaust Output and Efficiency
38mm/ 35mm external waste gate port and flange included; Standard T3 (T03) Turbo Flange
Who Is This For?
- RB20 / RB25 / RB26 builders
- Turbo upgrade enthusiasts
- Anyone pushing beyond stock power levels
If you’re serious about boosting your RB—this is step one.
Installation Notes
- Professional installation recommended
- Ensure proper turbo fitment and clearance
- Use quality gaskets and hardware
- Pair with proper tuning
(Pro tip: Cheap hardware + high heat = broken studs. Ask me how I know.)
Why DNA MOTORING?
Because they offer budget-friendly turbo components that actually support real performance builds—perfect for enthusiasts who want results without overspending.
Final Verdict
The DNA MOTORING TM-RB20-S-T-T3-38 Turbo Manifold is a must-have for RB builders looking to improve airflow, support bigger turbos, and unlock real power potential.
Better flow. Faster spool. More boost.
And finally—your RB setup can breathe like it’s supposed to.
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