The MagnaFlow Street Series Cat - Back Performance Exhaust System for Ford Explorer (2020 - 2023) and Lincoln Aviator (2020 - 2023) 19515 augments your large SUV with MagnaFlows signature deep, smooth exhaust tone and dyno - proven performance while maintaining mild interior noise levels. Mandrel bent tubing and CNC precision robotic manufacturing ensure that the exhaust kit fits perfectly for easy, bolt - on installation. The exhaust system is extremely durable thanks to its 100 stainless steel construction and is backed by a limited lifetime warranty. Designed with function and weight in mind, the 19515 exhaust system features a cat - back design, 2.5 diameter tubing, three straight - through mufflers, and a quad split rear layout to allow for performance improvements without losing any existing utility. Each exhaust tip is 4 in diameter and finished in black chrome, adding an aggressive yet tasteful look to your 2020 - 2023 Ford Explorer or Lincoln Aviator.