Cold Air Intake for 2006-2007 Chevy / GMC Duramax LLY-LBZ 6.6LMAXIMUM PERFORMANCE Our cold air intake for the 2006 2007 Chevy GMC Duramax LLY LBZ 6. 6L was engineered to minimize air restriction and flows 50. 15% better than stock. This kit comes with a fully enclosed airbox that protects the filter from dirt and keeps out engine heat. NO MORE CHECK ENGINE LIGHTS S&B devotes a huge amount of resources to engineer our intakes that allow your engine to run properly with stock calibration or enhanced tuning. This

Full color

No More Check Engine Lights

multi-gauge touch-screen display on the market

4L kit is available with multiple port configurations and in a variety of powder coat colors

Quick Connect Lines

Our new snap-In lid design requires no screws to secure it to the box

4 Powerstroke

RPM and dozens more

6L was engineered to minimize air restriction and flows 29

they meet OE fit

Due to the way SPE has designed the turbo system it is an effortless upgrade/replacement turbo option that even a novice can install

and taking out the expensive high-pressure fuel system in the process