This cat-back exhaust system is constructed of 2-1/2 IN - 2-1/4 IN mandrel-bent 304 stainless steel tubing for maximum strength and durability. This system features high-flow 304 stainless steel polished mufflers, producing a aggressive sound. The mufflers has a polished finish for ultimate corrosion resistance. Finishing off this exhaust system are dual 3-1/2 IN diameter carbon fiber 304 stainless steel clamp-on exhaust tips. The tips features an aFe POWER logo for a unique style. This system produces an aggressive sound unleashing all available horsepower and torque. Utilizing a factory style flange and hangers this system is a direct bolt-on system, which requires no cutting or modifications for a hassle-free installation. A mitered merge collector is used to decrease turbulence and increase exhaust velocity resulting in increased horsepower, torque and improved throttle response. State-of-the-art computer-aided design technology is utilized for precise vehicle fitment. 100% MIG-Welded for race-proven strength and durability. Takeda 2-1/2 IN to 2-1/4 IN 304 Stainless Steel Cat-Back Exhaust w/ Carbon Fiber Honda Civic Sedan 22-24 L4-1.5L (t) Honda Civic Sedan 22-24 L4-1.5L (t)