04-05 Duramax LLY RPI 4" Stage 1 Cold Air IntakeThis is our full metal 4" Cold Air Intake system for 04. 5 05 LLY Duramax Only fits with LBZ Mouthpiece or HSP Mouthpiece **Click here to view available powder coating colors.** No check engine lights with this system! This system uses a 4 Inch T6 Aluminum intake tube for ultimate air flow! You will have faster spool up, lower egt's, Noticeable Horsepower gain, some Mpg gain, and a turbo whistle that will make people look when your going through town!

Note: These Intercooler tubes are not CARB exempt at this time and is not legal for sale in California or use on vehicles registered with the California Department of Motor Vehicle

Throttle %

As the fuel passes through the filter media and the remaining particulate contaminates are caught and contained

Instantly "Tightens" Steering Feel Eliminates Flex At Steering Box Mounting Point

Each Edge Products Juice with Attitude CS2 includes a heavy-duty universal suction cup mount for easy installation

75”x3” Straight Boot (437-RFAB)

Lower EGTs under most applications

Monitor key vehicle data on full-color

High Speed Mini USB Cable

Constructed from a one-piece sheet of polycarbonate that is engineered to retract without joints or hinges that can trap dust

2x 5/8"-11 x 3-3/4" Grade 8 Bolt (RFB-849-RFAB)

Reduces Cold Side Restrictions