* ARH Longtube Headers with Cats * Made from 304 Stainless Steel * Engineered for a great fit and performance * Includes gaskets, clamps & O2 Extensions * 1 3/4" Primaries * 2 1/2" Collectors * 3/8" Thick flanges * Metallic Substrate Cats Innovative Bold Styling: Manufactured by American Racing Headers in 304 Stainless Steel, longtube systems are engineered for a great fit and outstanding performance. With 3/8" thick flanges, merge collectors with scavenger spikes, other brands simply don't measure up. Systems are available in other primary sizes to accommodate normally aspirated or supercharged applications. Our Quality & Finish will leave you with a grin from ear to ear as it is the Best looking unit available for your Chevrolet Camaro. Quality Construction: No one else can Stack up to the bold clean styling of our aftermarket Billet / Stainless Steel Dress Ups, Street / Strip / Racing Suspension and Performance Parts for your American Muscle Car like UPR Products! Fits these Vehicles: 2010 2011 2012 2013 Chevrolet Camaro V6 Made in the USA!