Gibson cat-back dual exhaust for 2015–2017 Ford Mustang V6 3.7L is a stainless system claiming about a 10 hp and 6 lb-ft torque increase while adding a throatier tone. It uses 2.5 in. tubing with SuperFlow mufflers featuring CFT technology to tune flow and reduce cabin drone. The direct-fit, bolt-on assembly includes polished slash-cut tips, mandrel-bent tubing, factory-style hangers and a lifetime limited warranty for installation confidence.
Gibson 15-17 Ford Mustang V6 3.7L 2.5in Cat-Back Dual Exhaust - Stainless