aFe POWER Twisted Steel 304 Stainless Steel Long Tube Headers Raw Finish (48-34148) - 2020-2026 Chevrolet C8 Corvette
Improve exhaust flow and performance in your 2020-2026 Chevrolet C8 Corvette 6.2L V8 with the aFe POWER Twisted Steel Long Tube Headers. Featuring a Tri-Y design with optimized tube lengths and paired opposite-firing cylinders, these headers are engineered to improve exhaust scavenging and deliver dyno-proven gains of up to 17 horsepower and 24 lb-ft of torque.
Constructed from mandrel-bent 304 stainless steel tubing with a natural raw finish, the Twisted Steel headers feature TIG-welded inlet ports, laser-cut stainless steel flanges, and an auxiliary O2 sensor bung. The system retains the factory catalytic converters and sensors while providing a direct bolt-on installation without cutting or modifications.
Dyno-Proven Performance Gains
The aFe POWER Twisted Steel Long Tube Headers are designed to improve exhaust flow and engine performance. Testing on aFe POWER's in-house dynamometer demonstrated gains of up to 17 horsepower and 24 lb-ft of torque.
- Horsepower Gain: Up to 17 HP
- Torque Gain: Up to 24 lb-ft
Mandrel-Bent 304 Stainless Steel Construction
These headers are manufactured from mandrel-bent 304 stainless steel tubing for strength, durability, and corrosion resistance. The system utilizes multiple tubing diameters to support its optimized Tri-Y exhaust configuration.
- Primary Tubing Diameter: 1-7/8 Inches
- Secondary Tubing Diameter: 2-1/8 Inches
- Collector Tubing Diameter: 2-3/4 Inches
- Material: 304 Stainless Steel
- Finish: Raw / Natural Stainless Steel
The mandrel-bent tubing provides smooth exhaust transitions while maintaining the durability required for high-performance applications.
Optimized Tri-Y Header Design
The Twisted Steel headers feature a Tri-Y configuration with optimized tube lengths and specifically paired opposite-firing cylinders. This design is engineered to improve cylinder scavenging, exhaust flow, and overall engine performance.
By optimizing the movement of exhaust pulses through the system, the Tri-Y design supports improved exhaust efficiency while producing a powerful exhaust tone.
TIG-Welded Inlet Ports
The header inlet ports feature TIG-welded construction for strength and durability. This design helps prevent flange warpage while promoting improved exhaust flow through the inlet passages.
Laser-Cut 304 Stainless Steel Flanges
Factory-style laser-cut 304 stainless steel flanges provide precise alignment and a secure seal. The flanges are designed to work with the factory mounting locations and included gaskets for direct-fit installation.
Auxiliary O2 Sensor Bung
The Twisted Steel headers include an auxiliary oxygen sensor bung and plug, allowing installation of a wideband O2 sensor or other compatible instrumentation.
The auxiliary bung provides an additional monitoring location without requiring modifications to the header tubing.
Retains Factory Catalytic Converters and Sensors
These headers are engineered to retain all factory sensors and remain compatible with the original catalytic converters. This design allows the exhaust system to maintain its factory sensor connections while benefiting from the improved flow characteristics of the long tube headers.
Direct Bolt-On Installation
Using computer-aided design technology, aFe POWER engineered these headers for precise, high-tolerance factory fitment.
The system includes manifold bolts and factory gaskets for installation. No cutting or modifications are required on compatible applications.
aFe POWER exhaust systems are engineered and manufactured at the company's facility in Corona, California.
Features
- Dyno-proven gains of up to 17 horsepower and 24 lb-ft of torque
- Designed for 2020-2026 Chevrolet C8 Corvette 6.2L V8 applications
- Twisted Steel long tube header design
- Mandrel-bent 304 stainless steel construction
- 1-7/8-inch, 2-1/8-inch, and 2-3/4-inch tubing diameters
- Raw natural stainless steel finish
- Optimized Tri-Y configuration for improved exhaust scavenging
- Specifically paired opposite-firing cylinders
- Optimized tube lengths for improved exhaust flow
- TIG-welded inlet ports for strength and durability
- Inlet construction designed to reduce flange warpage
- Factory-style laser-cut 304 stainless steel flanges
- Auxiliary O2 sensor bung and plug included
- Compatible with wideband O2 sensors and other instrumentation
- Retains factory oxygen sensors
- Compatible with factory catalytic converters
- Designed to produce a powerful exhaust tone
- Computer-aided design for precise vehicle fitment
- Manifold bolts and factory gaskets included
- Direct bolt-on installation without cutting or modifications
- Engineered and manufactured in Corona, California
Specifications
- Brand: aFe POWER
- Product Series: Twisted Steel
- Part Number: 48-34148
- Product Type: Long Tube Headers
- Header Design: Tri-Y
- Material: 304 Stainless Steel
- Tubing Construction: Mandrel-Bent
- Primary Tubing Diameter: 1-7/8 Inches
- Secondary Tubing Diameter: 2-1/8 Inches
- Collector Tubing Diameter: 2-3/4 Inches
- Finish: Raw / Natural Stainless Steel
- Horsepower Increase: Up to 17 HP
- Torque Increase: Up to 24 lb-ft
- Inlet Port Construction: TIG-Welded
- Flange Material: 304 Stainless Steel
- Flange Construction: Laser-Cut
- Auxiliary O2 Bung: Included
- Auxiliary O2 Bung Plug: Included
- Factory Sensors Retained: Yes
- Factory Catalytic Converter Compatibility: Yes
- Manifold Bolts Included: Yes
- Factory Gaskets Included: Yes
- Installation: Direct Bolt-On, No Cutting or Modifications Required
- CARB EO Reference: D-550-49 - Verify Applicable Vehicles
Fitment
- 2020 Chevrolet Corvette Stingray (C8) 6.2L V8
- 2021 Chevrolet Corvette Stingray (C8) 6.2L V8
- 2022 Chevrolet Corvette Stingray (C8) 6.2L V8
- 2023 Chevrolet Corvette Stingray (C8) 6.2L V8
- 2024 Chevrolet Corvette Stingray (C8) 6.2L V8
- 2025 Chevrolet Corvette Stingray (C8) 6.2L V8
- 2026 Chevrolet Corvette Stingray (C8) 6.2L V8
Important Fitment and Installation Notes
E-Ray Exclusion: These headers do not fit Chevrolet Corvette E-Ray models.
Convertible Models: Part number 48-34148 will physically fit compatible C8 Corvette convertible models but is not recommended by aFe POWER for these applications. For convertibles, aFe POWER recommends the titanium-coated version, part number 48-34148-T, due to its reduced radiant heat in the engine compartment.
Factory Components: The system retains factory sensors and catalytic converters. Manifold bolts and factory gaskets are included for direct bolt-on installation.
Emissions Disclaimer: Some or all listed applications are 50-state emissions exempt under CARB Executive Order D-550-49. Refer to the applicable CARB EO documentation to verify that your specific vehicle and model year are covered.
CA Residents: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov
