This product is a high-quality stainless steel catalytic converter designed specifically for Acura vehicles with a 2.25" diameter. Manufactured by DogHound, it features a ceramic substrate and is EPA certified for emissions control. The converter is a performance part that offers a bolt-on connection for easy installation, ensuring a 100% accuracy of fit. With a manufacturer warranty of 1 month and universal fitment, this catalytic converter is a reliable and durable option for enhancing the exhaust and emission systems of your vehicle. Made in the United States, it is a top choice for those looking to upgrade their car or truck's catalytic converter.