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The Kooks connecting pipes identified by manufacturer part number 21803400 is supplied in the exact configuration described as 3" High Output GREEN Catted OEM Connections. 2020+ Chevrolet Corvette C8.. Confirm the complete part number, application, connection points, emissions requirements, and included components before ordering.
Key Features
Fitment
| Years | Make | Model | Application Notes |
|---|---|---|---|
| 2020-2026 | Chevrolet | Corvette | Verify engine, emissions equipment, transmission, and exhaust configuration |
Specifications
| Brand | Kooks Headers |
|---|---|
| Manufacturer Part Number | 21803400 |
| Product Type | Connecting Pipes |
| Material | 304 stainless steel |
| Nominal Dimensions | 3 in |
| Fitment Type | Vehicle Specific |
| Manufacturer Detail | Kooks High Output GREEN Cats Feature a 304 Stainless Steel Outer Body and a High Capacity 300 Cell 4-1/2" Diameter Metallic Substrate Designed to Be Used in Higher Horespower applications |
| Manufacturer Detail | Includes Gaskets and Bolt Kit required for Installation |
| Manufacturer Detail | Connects to OEM Exhaust |
| Manufacturer Detail | Vehicle Tuning Required |
What's Included
About Kooks Headers
Kooks manufactures performance exhaust components in the United States, including headers, connection pipes, catalytic-converter assemblies, cat-back systems, mufflers, flanges, and installation hardware. Exact part-number verification is essential because similar-looking components can use different engine, chassis, emissions, and connection configurations.
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Frequently Asked Questions
Will this Kooks connecting pipes fit my 2020-2026 Chevrolet Corvette?
That year, make, and model range is listed. Confirm the engine, emissions equipment, transmission, body configuration, existing exhaust, and exact Kooks part number before ordering.
Will this connect to the factory exhaust?
Factory connection compatibility depends on the exact part number. Verify collector and outlet size, required Kooks connection pipes, catalytic-converter configuration, and every note in the current Kooks listing.
What should be checked after installation?
Confirm exhaust clearance, hanger alignment, fastener torque, oxygen-sensor wiring, leak-free joints, and adequate distance from fuel lines, brake lines, wiring, and bodywork.
Installation Instructions
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