2003-2004 Duramax Deluxe Max Air Flow Bundle (184-HSP)

The factory intercooler tubing on 2001-2004 Duramax trucks is very restrictive and often fails. The factory intercooler tubing is only 2.25" in diameter and has a 90° boot at the intercooler that often fails. With this routing there is a possibility of the hot side intercooler tube rubbing on the power steering line, causing the line to rub a hole in the tube resulting in a boost leak.

HSP's solution to this problem is to run the hot side tube directly into the intercooler using race-proven 5-layer silicone boots resulting in lower temperatures, better airflow, and added clearance in tight places. To help get the exhaust gases out of the engine, this kit includes a 

Part Number: 184-HSP

• Mandrel bent 4" intake tube for massive airflow gains 
• Hot side and cold side intercooler piping
• Low coolant sensor
• Heat shield box
• High-flow turbo mouthpiece.  
• Factory replacement 2" up pipes
• Up pipes use .120" wall tubing with the toughest bellows on the market 
• Forward-facing thermostat housing with coolant return 
• Factory replacement coolant tank 
• High-flow turbo mouthpiece

• 1x 3" x 4" Straight Boot
• 4x 3" T-bolt Clamps
• 2x 2.25"- 3" Reducer Boots
• 2x 2.25" T-bolt Clamps
• 2x M4 x .7x10mm Bolt
• 3x 10-32 x 3/8" Button Head Screw
• 4x 1/8" Aluminum Rivet
• 1x 3.5"- 4.5" Reducer Boot
• 1x 3.5" T- Bolt Clamp
• 1x 4.5" T-Bolt Clamp
• 1x 4.5" Filter
• 3x M6 x 1.0x20mm Button Head Screw
• 1x LB7 Turbo Inlet O-Ring
• 1x Radiator Cap
• 5x 1/2" Worm Gear Clamps
• 1x 1" Worm Gear Clamp
• 1x 1/2" NPT float Switch
• 1x Low Coolant Sensor
• 1x Thermostat Housing O-Ring
• 3x M6 x 1.0x35mm Flange Bolt
• 6x M6 Fender Washers
• 3x M6 Nylon Lock Nut
• 4x M8x1.25-25mm Socket Cap Bolt
• 4x M6 x 1.0-18mm Socket Cap Bolt
• 1x M14 x 1.5 to 3/8" Hose Barb
• 1x M14 x 1.5 Metric Port Plug
• 1x Metric bond Seal 14mm
• 1x 1.75" x 3 inch Straight Boot
• 1x 1.75" 90 degree Boot
• 4x 1 3/4" Worm Gear Clamps
• 2x Up-pipe Gaskets (Turbo side)
• 2x Up-Pipe Gaskets (Manifold Side)
• 16" of Trim seal
• 1.5' of 3/8" Heater hose

Compatible with:

• LB7: 03-04 VIN Code 1
• Engine code is dictated by the 8th character of the vin number. The 10th character is the year of the truck.

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