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SKU: 14610 | UPC: 690092139469
Vibrant Mild Steel Exhaust Manifold Flange for 1986-2001 Honda/Acura B-Series Motors 1/2in Thick
This Vibrant Performance exhaust manifold flange bolts directly to Honda/Acura B-Series cylinder heads in models like Civic Si CR-V Prelude and Accord. Made from durable HRPO mild steel at 1/2 inch thick it handles high heat from turbo or naturally aspirated setups. Laser-cut edges deliver tight seals and easy welding for custom headers.
Key Features
- Laser-Cut Precision: Factory-flat surfaces and exact bolt hole alignment prevent leaks on B-Series exhaust ports
- HRPO Mild Steel Build: High-strength low-alloy steel offers superior weldability and affordability for fabrication projects
- 1/2 Inch Thickness: Heavy-duty design resists warping under boost pressure and exhaust gas temperatures
- Forced Induction Ready: Supports turbo supercharger or NA applications on B16 B18 B20 engines
- B-Series Specific: Matches OEM manifold bolt pattern 3.62 inch spacing for 1990-2001 Integras Civics and more
Product Notes
- Apply high-temp paint or ceramic coating before installation to protect against rust
- Raw steel finish allows custom coloring or jet-hot coating
- Single flange measures 4.12 x 4.12 x 0.5 inches flat packed
Installation Notes
- Professional installation recommended.
- Use MLS exhaust gasket and torque 8 head bolts to 22 ft-lbs in sequence
- Compatible with ARP studs and stock B-Series manifold hardware
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1986 | Honda | Accord | DX |
| 1986 | Honda | Accord | LX |
| 1986 | Honda | Accord | LXi |
| 1999-2000 | Honda | Civic | Si |
| 1994-1997 | Honda | Civic del Sol | VTEC |
| 1998-2001 | Honda | CR-V | EX |
| 1997-2001 | Honda | CR-V | LX |
| 2000-2001 | Honda | CR-V | SE |
| 1988-1991 | Honda | Prelude | 2.0 Si |
| 1988-1989 | Honda | Prelude | 2.0 Si 4WS |
| 1990-1991 | Honda | Prelude | Si |
| 1990-1991 | Honda | Prelude | Si 4WS |
| 1990-1991 | Honda | Prelude | Si ALB |
Why Choose Vibrant Performance?
- 25+ years crafting exhaust components for racers and builders
- USA-made with CNC laser cutting for consistent quality
- Designed and tested for daily drivers and track use
Frequently Asked Questions
-
Q: Does this fit Acura Integra B18B1 LS or GSR B18C?
A: Yes it matches all B-Series cylinder heads including B16A B18C1 B18C5 B20B with standard exhaust port flange -
Q: What makes HRPO mild steel different?
A: Hot-rolled pickled oiled process removes scale for clean welding surface and adds strength versus standard mild steel -
Q: What warranty applies?
A: Limited lifetime against manufacturing defects when installed and maintained properly
Shipping & Handling
- Method: UPS Ground USPS Priority
- Availability: In stock - ships same or next business day
- Packaging: Protective padded envelope 6 x 6 x 1 inches
- Weight: 1.1 lbs
Fabrication
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Vibrant
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