SKU: BXFL-00036
BLOX Racing Cylinder Head Exhaust Flange – Honda B-Series VTEC Engines 1988-2001 (T304)
The BLOX Racing Cylinder Head Exhaust Flange (BXFL-00036) is machined from T304 stainless steel for Honda B-series VTEC DOHC engines found in 1988-2001 Civic and Integra models. This flange bolts directly to the cylinder head exhaust ports creating a secure leak-free connection to your exhaust manifold. It supports high-performance builds by ensuring efficient exhaust gas evacuation and enduring extreme heat cycles.
Key Features
- T304 Stainless Steel Construction: Resists corrosion and handles temperatures over 1600F for long-term reliability in turbo or naturally aspirated setups
- 12mm Thickness: Provides structural rigidity to prevent warping under boost pressure while maintaining compact profile
- Precision CNC Machined Ports: Matches OEM B-series VTEC exhaust port dimensions exactly for optimal flow and zero leaks with proper gaskets
- Mirror Polished Finish: Reduces heat buildup and simplifies cleaning while adding a clean under-hood appearance
- Standard M10 Bolt Pattern: Direct bolt-on compatibility with factory or aftermarket exhaust manifolds using common hardware
Product Notes
- Pair with high-temperature copper or MLS gaskets for best sealing results
- Inspect exhaust ports for damage prior to installation
- Packaged in foam-lined box to prevent scratches during transit
Installation Notes
- Professional installation recommended.
- Torque bolts to 25-30 ft-lbs in crisscross pattern after applying anti-seize
- Compatible with OEM M10x1.25 bolts or ARP studs for high-boost applications
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1988-1991 | Honda | Civic | Si (EF/ED) B16A |
| 1988-1991 | Honda | CRX | Si (EF) B16A |
| 1990-1993 | Honda | Integra | LS/GS/RS (DA/DB) B18A1 |
| 1992-1995 | Honda | Civic | Si/EX (EG) B16A/B17A1 |
| 1994-2001 | Honda | Integra | GSR/RS/GSR Type R (DC2) B18C/B18C1/B18C5 |
| 1996-2000 | Honda | Civic | EX/Si (EK) B16A2 |
Why Choose BLOX Racing?
- Proven in drag racing and circuit competition for over 20 years
- Manufactured to aerospace tolerances for consistent performance
- Backed by direct engineering support from motorsport specialists
Frequently Asked Questions
- Q: Will this flange fit non-VTEC B-series heads like B18B1?
A: Yes it fits all B-series DOHC heads including B18B1 due to identical exhaust port shape and bolt pattern - Q: What is the port size and exhaust outlet?
A: Exhaust ports match OEM 34mm x 28mm B-series dimensions with 2.5-inch OD slip-fit for tubular manifolds - Q: Does BLOX offer a warranty on this part?
A: Limited lifetime warranty against manufacturing defects when installed correctly on approved applications
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock – ships same or next business day
- Packaging: 8 x 6 x 2 inch foam-protected box
- Weight: 0.9 lbs
