This cat-back exhaust system is constructed of 2-1/2" 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 4-1/2" diameter polished 304 stainless steel exhaust tips. The tips features a laser etched Takeda 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. Utilizing state-of-the-art computer-aided design technology, this exhaust system is designed for custom, high tolerance factory fitment. 100% TIG-Welded for race-proven strength and durability. Takeda 2-1/2 IN 304 Stainless Steel Cat-Back Exhaust System w/Polished Tip Toyota GR86/FR-S/BRZ 13-24 H4-2.0L/2.4L Toyota GR86/FR-S/BRZ 13-24 H4-2.0L/2.4L