The C7 has arrived and without hesitation; we've taken on the ARH tradition of developing the finest 100% US manufactured header system. With multiple options that allow us to fine tune our system to match your upgrades, ARH C7 systems set the bar for quality, performance, fit and ease of installation. Options include 1-3/4", 1-7/8" or 2" primaries, merge collectors with scavenger spikes. ARH exclusive Cat Forward X-pipe location, and new to our lineup is our Severe Duty 49 State Legal Cats. The system ends at the rear axle, and is a direct fit to stock or aftermarket catbacks. Backed by customer service that's given ARH our outstanding reputation, your ARH C7 system will surpass your expectations.