The MagnaFlow Competition Series Cat-Back Performance Exhaust System 16734 adds an aggressive, attention-grabbing edge to the deep, resonant exhaust note MagnaFlow is known for, while delivering dyno-proven performance to your 2005–2006 Pontiac GTO 6.0L.
This cat-back exhaust system features fast-flowing 3-inch mandrel-bent main piping that routes exhaust gases through two Straight-Through mufflers before exiting through a dual split rear configuration. The system is finished with 4-inch welded-on double wall angle cut folded edge tips featuring a sporty polished finish that complements the GTO’s muscular design.
Exhaust system 16734 is tuned to produce aggressive exterior sound levels with moderate interior sound, making it ideal for competition-inspired builds. Thanks to advanced 3D scanning during development, the system features a direct-fit design that allows for easy do-it-yourself installation.
Constructed from 100% durable, corrosion-resistant stainless steel and manufactured using CNC precision robotic techniques, this exhaust system is built to last and is backed by MagnaFlow’s limited lifetime warranty.
Specifications
Series: Competition Series
Type: Cat-Back Performance Exhaust System
Main Pipe Diameter: 3"
Tubing Type: Mandrel-bent
Mufflers: 2 Straight-Through mufflers
Exit: Dual split rear exit
Tips: 4" welded-on double wall, angle cut, folded edge
Tip Finish: Polished
Sound Levels: Aggressive exterior / Moderate interior
Material: 100% Stainless steel
Installation: Direct-fit, DIY installation
Manufacturing: CNC robotic precision manufacturing
Warranty: Limited lifetime warranty
