SKU: TS-0550-3098 | UPC: 9329677021400
Turbosmart ALV 4-1 Weld Flange TS-0550-3098 – Universal Weld-On
The Turbosmart ALV 4-1 Weld Flange provides a direct weld-on solution to merge four primary exhaust tubes into one outlet for anti-lag valve integration. Built for custom turbocharged exhaust systems on performance vehicles it ensures smooth flow and precise fitment in motorsport applications. Manufactured in Sydney Australia this flange maintains the high standards of quality and reliability Turbosmart delivers since 1997.
Key Features
- 304 Stainless Steel Construction: Offers corrosion resistance and long-lasting durability in high-heat exhaust environments
- 4-to-1 Merge Design: Accepts 4 x 45mm (1.75in) OD primary tubes into 76mm (3in) OD outlet for unrestricted flow to ALV
- Precision CNC Machined: Ensures exact tolerances for seamless welding and leak-free performance
- ALV System Compatibility: Direct match for Turbosmart ALV30 and ALV40 anti-lag valves in race setups
- Motorsport Proven: Tested under extreme conditions for reliable operation in turbocharged builds
Product Notes
- For off-road and motorsport use requiring custom exhaust fabrication
- Pair with Turbosmart ALV actuator for complete anti-lag functionality
- Inspect for proper tube sizing before welding
Installation Notes
- Professional installation recommended.
- TIG welding required for stainless steel. use back purging to prevent oxidation
- Align primaries precisely to outlet centerline for optimal flow dynamics
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| Universal | – | Custom Turbo Exhaust | 4-1 Collector w/ ALV |
Why Choose Turbosmart?
- Hand-crafted in Sydney Australia with innovative design since 1997
- Strict quality control and rigorous testing in dedicated research facility
- Proven reliability trusted by performance community worldwide
Frequently Asked Questions
- Q: Is this flange vehicle-specific?
A: No it is a universal weld-on part for custom 4-1 turbo downpipes paired with Turbosmart ALV systems on any turbocharged race vehicle - Q: What material and sizes are used?
A: Made from 304 grade stainless steel with 4 x 45mm (1.75in) inlets and 76mm (3in) outlet for precise fit - Q: What warranty applies?
A: Backed by Turbosmart world-class warranty. register product for full coverage details
Shipping & Handling
- Method: Standard ground or expedited
- Availability: In stock – ships same or next business day
- Packaging: Protective cardboard box approx. 6in x 6in x 3in
- Weight: 0.71 lbs (0.32 kg)





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