MagnaFlow 16726 Street Series Polished Stainless Cat-Back Exhaust System for 2005-2008 Pontiac Grand Prix GXP 5.3L

The MagnaFlow 16726 Street Series Cat-Back Performance Exhaust System brings signature resonant, powerful engine tone and dyno-proven performance to your 2005-2008 Pontiac Grand Prix GXP 5.3L.

Features fast-flowing 2.5" mandrel-bent main piping and 3 straight-through mufflers ending in a Quad Split Rear exit with 4" Polished Welded-On Double Wall Angle Cut Rolled Edge tips. Produces Moderate exterior and Mild interior sound levels.

Cat-back design replaces stock from near catalytic converter rearward. 3D scanning ensures direct-fit DIY installation. Durable corrosion-resistant stainless steel, CNC robotic manufactured. 1-year finish / lifetime construction warranty.

Key Features & Specs:

• 2.5" mandrel-bent stainless steel piping
• 3 straight-through mufflers
• Quad Split Rear exit
• 4" polished welded-on double wall angle cut rolled edge tips
• Moderate exterior / Mild interior sound
• Dyno-proven performance
• Direct-fit design
• CNC robotic manufactured
• 1-year finish / lifetime construction warranty