SKU: 1460R | UPC: 690092139421
Vibrant T304 SS Exhaust Manifold Flange for Nissan RB25 RB26 Motors 3/8in Thick Right Side
Build reliable high-flow turbo manifolds or headers with this precision laser cut right side flange from 3/8 inch thick T304 stainless steel. Designed for Nissan RB25DET and RB26DETT engines in Skyline R32 R33 R34 models it matches factory head ports perfectly. Port shapes support standard wall round tubing for smooth exhaust flow and easy fabrication.
Key Features
- T304 Stainless Steel: Resists corrosion and withstands extreme heat cycles in performance applications
- 3/8 Inch Thickness: Delivers rigid strength to prevent warping under high boost pressures
- Laser Cut Precision: Provides exact port alignment to cylinder heads and clean edges for secure welds
- Optimized Ports: Sized for 1.625 to 2 inch OD standard wall tubing to maintain velocity and scavenging
- Right Side Design: Covers ports 1 2 3 on inline six RB engines for complete manifold builds
Product Notes
- Flange for custom fabrication weld to schedule 10 or 16 gauge tubing
- Inspect head gasket surface before use for flatness
- Store flat in dry area to prevent bending
Installation Notes
- Professional installation recommended.
- TIG weld in argon shielded environment for best results
- Matches factory RB25 RB26 head bolt pattern uses M10 studs
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1989-1994 | Nissan | Skyline | R32 GT-R RB26DETT |
| 1995-1998 | Nissan | Skyline | R33 GT-R RB26DETT |
| 1995-1998 | Nissan | Skyline | R33 GTS-t RB25DET |
| 1999-2002 | Nissan | Skyline | R34 GT-R RB26DETT |
| 2000-2002 | Nissan | Skyline | R34 GTS-t RB25DET |
Why Choose Vibrant Performance?
- Trusted by drag racers and drift builders for consistent quality
- Laser fabrication ensures repeatable accuracy every flange
- Proven in high horsepower RB engine builds worldwide
Frequently Asked Questions
- Q: Will this flange work on both RB25DET and RB26DETT heads?
A: Yes port spacing and shape match right side ports 1 2 3 on both engines - Q: What tubing size fits the ports?
A: Ports accept 1.625 inch to 2 inch OD standard wall round tubing for optimal flow - Q: What warranty coverage applies?
A: Limited lifetime warranty against manufacturing defects when installed correctly
Shipping & Handling
- Method: UPS Ground or FedEx Ground
- Availability: In stock – ships same or next business day
- Packaging: Protective foam sleeve in 10 x 10 x 1 inch flat box
- Weight: 2.1 lbs





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