Fabspeed HJS Sport Catalytic Converters for Chevrolet Corvette C8 Z06 (2023+)

Match the C8 Z06 5.5-liter exhaust to these HJS sport-catalyst sections. They replace the original catalyst units and include heat blankets; they are separate from either of the Z06 cat-back exhaust systems. Fabspeed Motorsport designs performance exhaust systems, air intakes and ECU tuning in Fort Washington, Pennsylvania. Porsche and other sports-car applications are developed through dyno testing, road evaluation and racetrack work.

Technical Details

• Manufacturer product reference: FS.CHEVY.C8Z06.SC.
• HJS HD 200-cell tri-metallic catalyst cores.
• T304L stainless construction.
• Included heat blankets are rated by Fabspeed to 2200°F/1200°C.
• Fabspeed reports 26 WHP/28 lb-ft gains and 9 lb weight savings on its test configuration; results vary.
• No ECU tune is specified by Fabspeed for the matching setup.
• Confirm market-specific exhaust, sensors and original catalyst connections.
• Covered by the Fabspeed Lifetime Warranty, subject to its terms and exclusions.

Installation Resources

• Manufacturer installation document (PDF)

Product Videos

Demonstration cars may have additional modifications. The selected configuration determines what is supplied; a video does not establish another vehicle’s fitment or guarantee identical sound or output.

For help matching this component, contact PMB Performance with your VIN and photos or references for the component being replaced. Our team draws on over 20 years of parts and fitment experience.

Fitment & Compatibility

Use the application details below together with the original component and any existing modifications.