Diamond Eye K4122A 4 Inch Aluminized Cat-Back Single Exhaust System LBZ Duramax

The Diamond Eye K4122A is a complete 4-inch aluminized steel cat-back single exhaust system engineered specifically for 2006 to early 2007 Chevrolet and GMC 2500/3500 trucks equipped with the 6.6L LBZ Duramax diesel engine. This universal-fit system accommodates all cab and bed length configurations, making installation straightforward regardless of your truck's setup.

Performance Benefits:

• Mandrel-bent tubing maximizes exhaust flow and reduces backpressure for optimal performance
• Improved horsepower and torque output throughout the powerband
• Lower exhaust gas temperatures (EGTs) for safer towing and hauling
• Increased fuel economy through more efficient exhaust evacuation
• Enhanced throttle response for better drivability

Construction and Features:

• High-quality aluminized steel construction provides excellent corrosion resistance at an affordable price point
• Includes Diamond Eye's stainless steel perforated core muffler for a deep, aggressive tone without excessive drone
• Single exit configuration (exhaust tip not included)
• Utilizes factory OEM hangers for secure, factory-like fitment
• Complete bolt-on installation with all necessary clamps and hardware included
• Detailed installation instructions provided

This complete kit delivers the performance, sound, and value that Diamond Eye is known for, making it an ideal upgrade for Duramax owners seeking improved exhaust flow and a more aggressive exhaust note.