3" Large Bore Downpipe w/ Hi-Flow Cat

The Milltek Sport SSXAU431 is a 3" large bore downpipe designed to elevate your vehicle's driving experience by optimizing exhaust flow. Its 3.0" (76.20mm) pipe diameter and integrated high-flow sports catalytic converter with 200 CPSI are engineered to enhance engine efficiency, resulting in significant gains in horsepower and torque. Milltek, with decades of experience in performance exhaust systems, offers this downpipe as a direct fitment solution for seamless integration. The product is specifically designed for fitment to the Milltek 3-inch Race Cat-back system. For optimal performance, a Stage 2 ECU remap is required. The construction prioritizes both performance and reliability, transforming your vehicle's power, sound, and driving dynamics. An important fitment note indicates possible clearance issues on Roadster models due to additional bracing. The compatible vehicles include the Audi TT Mk1 (1998-2007) 1.8T 225HP. Please note the California warning regarding cancer and reproductive harm: www.P65Warnings.ca.gov.