Gibson 2019 Ram 1500 Big Horn 5.7L 2.5in Cat-Back Dual Split Exhaust - StainlessBrand Gibson Part Number 66570 Category Exhaust, Mufflers & Tips Catback Condition Brand New Original Manufacturer Packaging For the enthusiast who wants an awesome look and aggressive throaty sound this Dual Split Cat back exhaust is for you. A bold,newly engineered design for maximum fitment, this Exhaust System decreases backpressure and produces more torque and increased horsepower pushing the boundaries of what you think a truck exhaust can be.