High Flow Catalytic Converter

The CTS Turbo High Flow Cat is a performance-oriented exhaust component designed specifically to work with the CTS-EXH-DP-0003 downpipe. This part is sold for competition use only and is not legal for installation on highway or street vehicles. Please note that this is a made-to-order item, with a production time that may extend up to 10 business days before shipment. To prevent a check engine light (CEL) from illuminating after installation, proper tuning software is required. CTS Turbo strongly recommends the use of Stage 2 software upgrades for optimal performance and CEL avoidance. It is important to understand that this high-flow cat is a replacement part only and is not intended as a turbo-back conversion part; it should only be used to replace existing components within the system. CTS Turbo recommends this high-flow cat for environmental considerations. Proper tuning software is essential to avoid a check engine light, with Stage 2 software being a strong recommendation for this purpose.