This cat-back exhaust system is constructed of 2-1/2 IN mandrel-bent brushed finished 304 stainless steel tubing for maximum strength and durability. Finishing off this exhaust system are dual 4-1/2 IN diameter polished stainless steel clamp-on 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 factory style flanges and hangers this system is a direct bolt-on system, which requires no cutting or modifications for a hassle-free installation. This cat-back exhaust system uses a heavy duty flex pipe with an internal interlock liner for added strength and durability. This system features a crossover balance tube designed to equalize and distribute exhaust pulses reducing drone, and improving sound. State-of-the-art computer-aided design technology is utilized for precise vehicle fitment. 100% TIG-Welded for race-proven strength and durability Takeda 2-1/2 IN 304 Stainless Steel Cat-Back Exhaust System w/ Polished Tips Nissan Z 23-24 V6-3.0L (tt) Nissan Z 23-24 V6-3.0L (tt)