CTS Turbo Performance catted Mid-Pipes for 8V/8Y Audi RS3 and 8S Audi TTRS These pipes replace the restrictive secondary catalytic converters with high-flow cats, allowing the 2.5T engine to breathe easier. While not offering major performance gains, the exhaust note will be drastically improved. Product Details: – Hand Crafted from 3″ T304 Stainless Steel – Necessary installation hardware included (gasket set included) – CNC water jet cut flanges – CNC mandrel bent stainless steel piping – Polished stainless steel exhaust tubing – 200 cell cats – Will not cause CEL (check engine light) Does not fit models equipped with OPF/GPF NOTE: Due to vehicle production discrepancies please confirm that you car has secondary catalytic converters before ordering. Look under the vehicle and locate 2 small catalytic converters on the exhaust. DISCLAIMER: This product is sold for competition use and is not recommended for highway or street use. WARRANTY: All CTS Turbo products are warrantied against manufacturing defects for a period of 12 months from the date of invoice. Warranty does not cover abuse, misuse, consequential damages, normal wear and tear, improper installation, or damages resulting from racing. Warranties only apply to the original owner. If a product is found defective the customer will receive, at the discretion of CTS Turbo, free repair or replacement. Warranty on other manufacturers will be processed under their terms.