Mustang 5.0L Coyote 2015-2023 BOTTLENECK ELIMINATOR SystemThe latest 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 Bottleneck Eliminator Kit unlocks that power with performance gains up to 30 RWHP and does away with the 2 1 4" restriction at the Catback connection point. Designed to work with