Why Upgrade Your D-Series Manifold?
Factory exhaust setups weren’t built for boost. That means:
- Restricted airflow
- Slower turbo spool
- Limited performance potential
This manifold solves that by:
- Improving exhaust flow efficiency
- Supporting T25 turbo setups
- Increasing turbo response and power potential
Translation: more air, faster spool, more boost.
Vehicle & Engine Compatibility
Designed for Honda D-series engines:
- D15 / D16 engines
Common applications include:
- Honda Civic (EG / EK / EJ)
- Honda Civic Del Sol
(Fitment depends on your turbo setup—D-series builds always involve some creativity.)
Key Features
- T25 Turbo Flange
Supports compact T25 turbochargers for responsive spool. - Stainless Steel Construction
Built to handle heat, pressure, and long-term use. - Tubular High-Flow Design
Improves exhaust scavenging and turbo efficiency. - Compact Layout
Ideal for tighter engine bays. - Performance-Oriented Design
Built for street and entry-level turbo builds.
Tubular manifolds yield a higher efficiency rate, as each runner is generally the same circumference. This tubular manifold furthers the even exhaust flow using “equal length” runners.
What It Does Best
- Improves turbo spool time
- Increases exhaust flow
- Supports compact turbo setups
- Unlocks boost potential on D-series engines
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 keep it real:
- D-series + turbo = huge gains over stock
- Great for budget turbo builds in the 200–300+ HP range
It’s not about being the biggest—it’s about being surprisingly fast.
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.
What It Won’t Do
Let’s not oversell it:
- Doesn’t include turbo, wastegate, or piping
- Not a complete turbo kit
- May require custom modifications depending on setup
This is a foundation piece, not the full build.
Replace for 88-00 Honda Civic (Except 99-00 Si Models) 88-91 Honda CRX/ CR-X 93-97 Honda Del Sol (Except VTEC Models) ALL Models Above with a 1. 5L/ 1. 6L D-Series SOHC l4 Engine ONLY
What It Won’t Do
Let’s not oversell it:
- Doesn’t include turbo, wastegate, or piping
- Not a complete turbo kit
- May require custom modifications depending on setup
This is a foundation piece, not the full build.
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
Standard T25/ T28 Configuration Outlet
Installation Notes
- Professional installation recommended
- Ensure proper turbo clearance and placement
- Use quality gaskets and hardware
- Proper tuning required after installation
(Pro tip: Boosting a D-series is fun—blowing one up isn’t. Tune it properly.)
Why DNA MOTORING?
Because they offer affordable turbo components that actually work for real builds—perfect for enthusiasts who want performance without spending K-series money.
Final Verdict
The DNA MOTORING TM-D-S-T25 Turbo Manifold is a solid upgrade for anyone building a boosted D-series setup, offering better flow, faster spool, and real power potential.
Small flange. Quick spool. Big surprise.
And yes—your D-series just got interesting.






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