Product Description
Upgrade your custom exhaust system with these high-quality 304 stainless steel Header Collectors, designed for performance builders, exhaust fabricators, and automotive enthusiasts. These header collector reducers provide a practical way to transition from a standard 3-inch 3-bolt header flange to a 2.5-inch exhaust system while maintaining a secure and reliable connection.
Built from 18-gauge 304 stainless steel with an approximate 0.05-inch wall thickness, these Header Collectors are engineered to withstand the high temperatures and demanding conditions found in performance exhaust systems. The stainless steel construction provides excellent corrosion resistance and long-term durability, making these collectors suitable for street performance vehicles, race builds, hot rods, muscle cars, and custom exhaust projects.
The compact 3.5-inch overall length makes these header collector reducers particularly useful when exhaust routing space is limited. Their shorter design can help prevent interference with chassis components and provides greater flexibility when connecting headers to custom 2.5-inch exhaust piping.
Each collector features a standard 3-inch 3-bolt header flange inlet and reduces to a 2.5-inch outlet. The outlet can be welded or clamped depending on the configuration of your custom exhaust system.
Solid copper 3-bolt collector gaskets are included. Copper gaskets are well suited to high-temperature exhaust applications and can provide a durable sealing solution when properly installed.
Key Features
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304 stainless steel Header Collectors
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Converts 3-inch header outlet to 2.5-inch exhaust piping
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Standard 3-inch 3-bolt header flange inlet
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2.5-inch (2 1/2-inch) exhaust outlet
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Compact approximately 3.5-inch overall length
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18-gauge stainless steel construction
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Approximately 0.05-inch wall thickness
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Excellent heat and corrosion resistance
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Designed for custom exhaust fabrication
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Ideal for performance exhaust systems
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Suitable for tight exhaust routing applications
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Includes solid copper 3-bolt collector gaskets
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Mounting hardware included
Header Collector Reducer Specifications
Material: 304 Stainless Steel
Material Thickness: 18 Gauge
Approximate Wall Thickness: 0.05 inch
Inlet: 3-inch 3-bolt header flange
Outlet: 2.5-inch / 2 1/2-inch exhaust
Overall Length: Approximately 3.5 inches
Flange Type: 3-bolt
Application: Universal custom exhaust systems
What's Included
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2 × 304 stainless steel Header Collectors
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2 × 3-inch 3-bolt flanges
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2 × solid copper 3-bolt collector gaskets
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Mounting hardware
How These Header Collectors Work
These Header Collectors are designed to connect performance headers with a 3-inch 3-bolt outlet to a smaller 2.5-inch exhaust system. The reducer design creates a convenient transition between the header collector and the exhaust piping, making it useful for custom exhaust systems where different pipe diameters need to be connected.
The compact design is especially beneficial for installations where space is limited. With an approximately 3.5-inch overall length, these collector reducers can provide more flexibility when routing exhaust around chassis components, suspension parts, or other underbody obstacles.
The 2.5-inch outlet can be welded directly to custom exhaust tubing or connected using an appropriate clamp, depending on the exhaust system design.
Why Choose 304 Stainless Steel Header Collectors?
304 stainless steel is widely used in automotive exhaust systems because of its resistance to corrosion and ability to withstand high-temperature environments. These Header Collectors provide a durable solution for performance and custom exhaust applications where reliable materials and proper exhaust transitions are important.
The included solid copper collector gaskets are also designed for demanding exhaust environments. When correctly installed, the gaskets help create a reliable seal between the header flange and collector reducer.
Applications
These Header Collectors are suitable for:
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Custom exhaust systems
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Performance exhaust builds
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Muscle cars
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Classic cars
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Hot rods
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Street performance vehicles
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Race and track builds
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Custom fabrication projects
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Performance headers with 3-inch 3-bolt outlets
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Exhaust systems using 2.5-inch tubing
Fitment Information
These Header Collectors are designed for universal applications using standard 3-inch 3-bolt header collectors and 2.5-inch exhaust systems.
Before ordering, verify the header flange pattern, outlet diameter, available installation space, and exhaust routing on your vehicle. Because these are universal components, vehicle-specific fitment is not guaranteed.
Professional installation is recommended, particularly when welding the reducers to a custom exhaust system.
Frequently Asked Questions
What are these Header Collectors used for?
These Header Collectors are used to transition from a 3-inch 3-bolt header outlet to a 2.5-inch exhaust system. They are designed primarily for custom and performance exhaust fabrication.
What size header flange do these collectors fit?
They are designed for standard 3-inch 3-bolt header collector outlets.
What size exhaust pipe do these Header Collectors connect to?
The reducers have a 2.5-inch (2 1/2-inch) outlet designed for compatible exhaust tubing.
What are these header collector reducers made from?
They are constructed from 18-gauge 304 stainless steel with an approximate 0.05-inch wall thickness.
How long are the collectors?
Each Header Collector measures approximately 3.5 inches in overall length.
Are gaskets included?
Yes. The kit includes two solid copper 3-bolt collector gaskets.
Are mounting hardware and flanges included?
Yes. The kit includes two 3-inch 3-bolt flanges and mounting hardware.
Can the 2.5-inch outlet be welded?
Yes. The outlet can be welded to compatible exhaust tubing. It may also be connected using an appropriate exhaust clamp depending on the installation.
Are these Header Collectors universal?
They are designed for universal applications using standard 3-inch 3-bolt header collectors and 2.5-inch exhaust systems. Always verify dimensions before purchasing.
Are these suitable for high-temperature exhaust applications?
Yes. The 304 stainless steel construction is designed to withstand the heat and demanding conditions associated with automotive performance exhaust systems.
Are these suitable for tight exhaust spaces?
Yes. The compact approximately 3.5-inch length is useful for custom exhaust installations where longer collector reducers may interfere with chassis components or exhaust routing.
Final Fitment Summary
These 304 stainless steel Header Collectors provide a compact and durable solution for adapting 3-inch 3-bolt performance headers to 2.5-inch exhaust systems. With 18-gauge 304 stainless steel construction, a compact 3.5-inch design, solid copper collector gaskets, 3-bolt flanges, and included mounting hardware, this kit is well suited for custom exhaust fabrication and performance applications.
Always confirm the header flange pattern, pipe diameter, dimensions, and available clearance before installation.
