For Nissan 350Z/Infiniti G35 Stainless Steel 4.5" Dual Muffler Burnt Tip Hi-Power Catback Exhaust System - Z33 V35 TIG Welded CNC Machine Flange for Resistance Against Pressure and Corrosion Aggressive Deep and Smooth Tone Sound while Ensures Smooth Exhaust Gas Flow Increase Engine Output and Efficiency Muffler Tip Type: Dual Path Rounded Tip. Tip Diameter (IN): 4.5". Inlet / Outlet Size (IN): 2.25" For Infiniti G35, Do NOT Fit Sedan Models