2003-2009 INFINITI G35 Coupe Dual / Nissan 350Z 4.5" Tip Muffler Catback Exhaust System

Transform the sound and performance of your 2003–2009 Infiniti G35 Coupe or Nissan 350Z with this high-performance dual muffler catback exhaust system. Designed to maximize exhaust flow and reduce factory restrictions, this system unlocks hidden horsepower and torque while delivering the deep, aggressive note enthusiasts crave.

Featuring oversized 4.5" polished tips, precision mandrel-bent stainless steel piping, and TIG-welded CNC flanges, this system is built for both style and strength. Whether you’re carving corners or cruising the highway, expect sharper throttle response, improved low-end torque, and a bold look that perfectly complements your G35 or 350Z.

Features

• Fitment: 2003–2009 Infiniti G35 Coupe Dual / Nissan 350Z

• Tip Diameter: Dual 4.5" Polished Muffler Tips

• Performance Gains: +10–20 HP with stronger low-end torque

• Exhaust Tone: Deep, aggressive sound while maintaining smooth flow

• Construction: Premium stainless steel with mandrel-bent tubing

• Durability: TIG-welded CNC-machined flanges resist heat and corrosion

• Design: High-performance racing style catback exhaust system

• Installation: Direct bolt-on fit; professional installation recommended