04-05 Duramax LLY RPI 4"Cold Air Intake Stage 2 With HSP mouthpieceThis is our full metal stage 2 Cold Air Intake system for 04. 5 05 LLY Duramax This system uses a huge 4 Inch T6 Aluminum intake tube for ultimate air flow! **Click here to view available powder coating colors.** 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! Comes with color matched HSP high flow 3. 5" mouthpiece, you will need to

Smarty does NOT need to have fuses pulled

Front Sway Bar for 11-19 GM 2500HD/3500HD 2WD/4WD Trucks

For trucks not equipped with factory emissions equipment

outer ring and counterweights to be easily tuned in the field

1/8" NPT Port:

This y-bridge is compatible with the Pusher Max Compound Turbo System for the LLY trucks

°°° Do not use for prolonged high speed runs

Durable Couplings:

100% Tig welded

If that's not enough for you we also offer modified 6

CP3 Pump Fittings – 3/8”

Kit Includes: Paper and Rubber Kit With Both Internal and External Filters