-19%
Sold out
Click to zoom in
SKU: 10325 | UPC: 690092183837
Vibrant 4-1 Merge Collector 2.50in Inlet I.D. Merge O.D. - 4.00in Outlet O.D. - 4.50in Universal
Vibrant Performance 4-1 merge collector 10325 is a precision-engineered 304 stainless steel component for custom exhaust header builds. Four 2.50-inch ID inlet tubes converge into a 4.00-inch OD merge body and 4.50-inch OD outlet to enhance exhaust scavenging and power output. Ideal for racing and street headers this collector delivers proven flow gains used by fabricators at all competition levels.
Key Features
- 304 Stainless Steel Construction: Provides corrosion resistance and withstands high exhaust temperatures for reliable long-term performance
- Precise Dimensions: 4 x 2.50in ID inlets 4.00in OD merge body 4.50in OD outlet ensure seamless integration and optimal exhaust velocity
- Short Radius Merge Design: Promotes efficient gas convergence to reduce backpressure and support high-RPM horsepower
- Polished Finish: Clean professional appearance resists discoloration and simplifies cleaning
- Universal Fabrication Fit: Suited for custom headers on drag street and circle track vehicles
Product Notes
- Designed for TIG welding into primary tubes during header assembly
- Inspect for weld imperfections prior to installation
- Securely packaged to prevent shipping damage
Installation Notes
- Professional installation recommended.
- TIG welding required to attach to header primaries and outlet pipe
- No mounting hardware included use V-band clamps on outlet if desired
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| Universal | All | Custom Header Builds | Fabrication |
Why Choose Vibrant Performance?
- Trusted by professional race teams for exhaust components
- High-quality 304 stainless steel at accessible pricing
- Engineered for maximum flow in real-world racing conditions
Frequently Asked Questions
-
Q: Is this merge collector vehicle-specific?
A: No it is universal for custom exhaust header fabrication on any make model or year -
Q: What material and finish does it have?
A: Constructed from T304 stainless steel with a polished finish for durability and aesthetics -
Q: What warranty is provided?
A: Vibrant Performance offers a limited lifetime warranty against manufacturing defects when installed correctly
Shipping & Handling
- Method: UPS or FedEx Ground
- Availability: In stock - ships same or next business day
- Packaging: Protective cardboard box
- Weight: 2.1 lbs
Fabrication
Shop Fabrication Parts and Materials at Black Ops Auto Works for stainless steel tubing, titanium tubing, aluminum charge piping, mandrel bends, V-band clamps, flanges, merge collectors, AN fittings, PTFE hose kits, braided fuel and oil lines, heat shields, welding supplies, brackets, bungs, and hardware for building custom exhaust systems, turbo plumbing, intercooler piping, and fuel system routing. Start with tubing in stainless, titanium, or aluminum in the right diameter and wall thickness, then add mandrel bends, flanges, V-bands, and clamps to complete the joint work. Black Ops Auto Works carries 5,866 fabrication SKUs from Vibrant Performance, Ticon Industries, Stainless Bros, Radium Engineering, Fragola, DEI, and ATP Turbo. Why Custom Fabrication Custom fabrication solves fitment problems that no universal or pre-bent kit can address. Raw tubing, flanges, and fittings give the fabricator freedom to route exhaust around a turbo, snake charge pipe around accessories, hard-...
View Fabrication Products
Merge Collectors
Merge Collectors parts and accessories for fabricated turbo manifolds, naturally aspirated headers and custom exhaust systems are stocked at Black Ops Auto Works. Shop stainless steel merge collectors, 2 into 1 collectors, 3 into 1 collectors, 4 into 1 collectors, turbo manifold collectors, T3 collectors, T4 collectors, divided collectors, collector transitions, V band outlets, fabrication tubing and weld in components. Every product is filterable by year, make, model, trim, engine and drivetrain so the correct part ships the first time. Black Ops Auto Works carries 43 merge collectors SKUs across fitment, materials, mounting, service and performance needs. What This Merge Collectors Collection Covers Merge collectors bring individual primary tubes together with a controlled transition before the exhaust outlet or turbo flange. The collection includes compact two, three, four and six runner options for custom header and turbo manifold work. Collector design for exhaust flow A co...
View Merge Collectors Products
Vibrant
Vibrant Performance parts for custom exhaust, turbo builds, and fabrication projects are stocked at Black Ops Auto Works. Shop clamps, V-band flanges, mandrel bends, silicone couplers, wideband bungs, catalytic converters, resonators, tips, mufflers, oil catch cans, AN fittings, hoses, wastegate flanges, and fuel system fittings for street, race, drift, and off-road builds. Every product is filterable by size, material, and fitting type so the correct part ships the first time. Black Ops Auto Works carries 3,096 Vibrant Performance SKUs across exhaust fabrication, forced induction plumbing, and fuel system hardware. What This Brand Covers Vibrant Performance manufactures exhaust and fabrication parts for DIY custom exhaust, turbo builds, and general fabrication work. The catalog spans stainless mandrel bends and V-band flanges for exhaust construction, silicone couplers and hump hoses for intercooler and intake plumbing, and AN fittings and PTFE hose for fuel and oil systems. Fa...
View Vibrant Products