ARH - CAMARO V8 2016 & UP INTERMEDIATE SYSTEMGen 6 Camaro Intermediate system is made for those that want all the power and performance our Long tubes with X Pipe (or optional H pipe) can produce while maintaining the factory mufflers and mid pipes. This more cost effective way to get ARH Equipped includes our long tube headers with primaries up to 2", merge style collectors and 3" exhaust. A simple mark and cut allows you to mate to your existing mid pipes. (NO WELDING REQUIRED) . Product