Mustang 5.0L Coyote 2015-2023 Long SystemThe sixth generation of Mustangs brought performance and handling to a whole new level, but power and torque as still waiting to be unleashed from an anemic factory exhaust. With header systems in 1 3 4", 1 7 8" or 2" (for max effort applications) and a 3" exhaust, our Long System unlocks that power with performance gains up to 30 RWHP. A simple mark and cut (no welding required) mates the ARH Long System to your existing Axelback. Comes with a 3" X