ARH 2016+ Camaro System - 1 7/8" Headers / X-Pipe NO CATS American Racing Headers are all 304 stainless and feature 3/8 thick flanges with hand ported inlets, merge collectors with scavenger spikes, severe duty high flow metallic cats and H-pipe. They're designed to bolt in with no welding or fabrication. As with all American Racing Header products, our systems are 100% American Made and backed by our unbreakable promise of quality fit and finish. Remember, ARH is the only manufacturer trusted by Chevrolet to build the original equipment headers used in every modern late model COPO Camaro racecar ever produced. That same attention to detail and experience used to design and fabricate our exhaust products are at the heart of our 2016 Camaro headers, high flow catalytic converters and exhaust system. Features Fits 2016+ Camaro LT1 Constructed of 304 Stainless Steel 2 inch Primary Tubes with 3 inch Collectors and X-pipe 3/8 inch thick flanges Merge Collectors with Scavenger Spikes connects to stock or aftermarket mufflers