Diamond Eye Manufacturing 221074 5-Inch Aluminized Cat-Back Performance Exhaust Kit 2004.5-Early 2007 Dodge 5.9L Cummins 2500/3500

The Diamond Eye Manufacturing 221074 is a performance cat-back exhaust system engineered for 2004.5 through early 2007 Dodge Ram 2500 and 3500 trucks equipped with the 5.9L Cummins diesel engine. Designed to replace the restrictive factory exhaust, this kit delivers improved exhaust flow for real-world gains in horsepower, torque, fuel economy, and reduced exhaust gas temperatures (EGTs).

Key Features:

• 5-inch diameter aluminized steel construction for maximum flow and durability
• CNC mandrel-bent tubing produces smooth, unrestricted bends that maximize exhaust scavenging and flow efficiency
• 16-gauge aluminized steel construction offers an excellent balance of affordability, durability, and long service life
• Catalytic converter-back (cat-back) system design mounts to the existing catalytic converter for a straightforward installation
• Single side exit configuration
• Fits all cab and bed length combinations on 2500 and 3500 models — all necessary pipes and hardware included
• Installs using common hand tools in approximately one hour
• Manufactured in-house in Athena, Oregon using precision CNC equipment

Upgrading to a larger-diameter mandrel-bent exhaust system is one of the most effective ways to reduce EGTs, improve throttle response, and extract more performance from a turbocharged diesel engine. The Diamond Eye 221074 delivers a deeper, more aggressive exhaust note while maintaining everyday drivability.

Note: Not legal for sale or use in California on any pollution-controlled motor vehicle.