Product Type: High Flow Pre-Cats (HFPCs) bring performance and smoothness. Acura TL is a well built, refined sedan. That doesn't mean it can't be improved. One of the best systems to get more power by a bolt on Pre-Cat Delete system, and Tsudo Pre Cat is designed to free up power and sound for your 3.2L /3.5L. Manufactured 100% T-304 Stainless steel for the best corrosion resistance and durability, and mandrel bent all the way through for the most optimal flow. With the Tsudo Hi-Flow Pre Cat our Bolt-In Catalytic Converter Acura TL will get improved horsepower, torque and v-tech throttle response. In addition, the exhaust note will be much more deep and aggressive in nature. The best bang for your buck when it comes to bolt-on, with longevity and performance, why look anywhere else?