Cognito 7-Inch Standard Lift Kit with Fox PSMT 2.0 Shocks For 20-24+ Silverado/Sierra 2500/3500 2WD/4WD Supports up to 4-inch of

Supports up to 4-inch of rear lift

85" compared to the Monster Exhaust's massive 5" outlet

Diesel Particulate Filter (DPF) Regen – The Derringer tuner constantly monitors your DPF regen status and will optimize its calibration to ensure the DPF regen process completes successfully

Includes: Front & rear shock extensions

6L LMM Duramax 2009 GMC 6

Cognito 7-Inch Standard Lift Kit with Fox PSMT 2.0 Shocks For 20-24+ Silverado/Sierra 2500/3500 2WD/4WD Supports up to 4-inch ofEach Kit Features: Yields 7 inches of front lift Cognito Block and U Bolt Kit Yields 5 inches of Rear Lift Stainless Steel extended brake lines Fox 2. 0 Performance Series Monotube Shocks SM Series Compression Struts Maintains Adequate Droop Travel for Superior Ride Quality Allows for up to a 37 x 12. 5 Inch Tire on a 10 Inch Wide Wheel with 4. 75 Inch Backspacing 13 Hour DIY Install Time CV Driveline is required if operating in 4WD above 20mph Made