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SKU: 13176S | UPC: 690092139964
Vibrant T304 SS 4 Bolt Flange for 3.5in O.D. Oval Tubing
This Vibrant Performance flange provides a precise weld-on connection for 3.5 inch outer diameter oval exhaust tubing in custom fabrication projects. It delivers a secure 4-bolt seal that withstands extreme heat and pressure in performance exhaust systems. Ideal for drag racing diesel trucks and high-horsepower street builds requiring durable oval tubing joints.
Key Features
- T304 Stainless Steel Construction: Resists corrosion and maintains integrity under 1600+ degree exhaust temperatures for long-term reliability.
- 3/8 Inch Thickness: Heavy-duty 0.375 inch plate adds strength to prevent warping and ensures flat mating surfaces for tight seals.
- 4-Bolt Design: 5/16-18 bolts on 3.12 inch centers provide even clamping force to eliminate leaks at high boost levels.
- Precise Oval Dimensions: Fits 3.5 inch OD tubing with 3 inch height and 4.12 inch width for seamless integration in mandrel-bent systems.
- Polished Finish: Smooth surface reduces turbulence and enhances visual appeal in exposed exhaust setups.
Product Notes
- Sold individually or in packs of 5 for bulk fabrication needs.
- Designed for welding to oval tubing ends without distortion.
- Compact design fits tight clearances in chassis-mounted exhausts.
Installation Notes
- Professional installation recommended.
- Weld-on application requires TIG welding for stainless steel compatibility.
- Compatible with 5/16-18 x 1 inch grade 8 bolts and lock nuts not included.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| Universal | - | Custom Exhaust | Oval Tubing Builds |
| 2001-2024 | Dodge | Cummins Diesel | 5.9L/6.7L Pickup |
| 2001-2024 | Ford | Powerstroke | 6.7L/7.3L Super Duty |
| 2001-2024 | GM | Duramax | 6.6L HD Trucks |
Why Choose Vibrant Performance?
- Established leader in exhaust fabrication components since 1985.
- CNC-machined for exact tolerances and consistent quality.
- Backed by extensive testing in racing applications.
Frequently Asked Questions
-
Q: What size oval tubing does this flange fit?
A: Designed for 3.5 inch outer diameter oval tubing with 3 inch height and 4.12 inch width for direct weld fit. -
Q: Is this flange made from T304 stainless steel?
A: Yes T304 stainless steel offers superior heat resistance and corrosion protection compared to mild steel alternatives. -
Q: What hardware is needed for installation?
A: Requires four 5/16-18 bolts use grade 8 hardware with lock washers or nuts for secure high-vibration mounting.
Shipping & Handling
- Method: UPS Ground
- Availability: In stock - ships same or next business day
- Packaging: Ships in protective individual box 6 x 6 x 2 inches
- Weight: 1.10 lbs
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