All-in-One Performance Kit for Your Duramax

Are you on the hunt for a comprehensive kit that truly has it all? Look no further! This kit features a mandrel-bent 4.5-inch intake tube, designed to maximize airflow and boost your engine's efficiency. With HSP's signature heat shield box, you can say goodbye to unwanted hot air entering your cold air intake. Did you know that for every 1-degree rise in intake air temperature, you could lose up to 3 horsepower? That's why this kit is a game-changer!

High Flow Turbo Mouthpiece

This kit comes equipped with HSP's high-flow turbo mouthpiece, which allows you to reroute your factory PCV system and remove the factory resonator box. This means no more unwanted engine oil gumming up your turbo and intake system. With 3-inch mandrel-bent hot side and cold side tubes, along with our max flow Y-bridge and turbo mouthpiece, you're set for an impressive upgrade.

Say Goodbye to Factory Failures

If you own a 2011-2016 Duramax, you're likely aware that the factory hot side intercooler tube is prone to failure. Its two-piece design with crimped boots often gives out under heat and pressure, leaving you stranded. The factory cold side isn't much better, being made of plastic and featuring an unreliable clamping system. This kit replaces all those failure-prone components with robust, race-proven 5-layer silicone boots, ensuring years of worry-free driving. Team it up with our Max flow Y-bridge and turbo mouthpiece, and you're looking at performance gains while keeping engine temperatures in check.

Efficient Exhaust Management

To help your engine breathe easier, this kit includes factory replacement 2-inch up pipes. Crafted from .120-inch wall tubing and featuring the toughest bellows on the market, these up pipes are built to last as long as your truck. Plus, we’ve included a factory replacement coolant tank to keep your engine bay looking sharp!

Stylish and Functional Coolant Tank

Our coolant tank boasts an all-aluminum design and comes with an integrated low coolant sensor. To add a pop of color to your engine bay, we’ve included our upper coolant tube, which also provides extra space for dual pumps, eliminating any worries about hose rubbing against the wheel.

Included Components

• 3x 3 inch x 4 inch straight boot
• 7x 3 inch t-bolt clamp
• 1x 2.25 - 3 inch reducer boot
• 1x 2.25 inch t-bolt clamp
• 1x Duramax pre-made hose
• 1x M6x1.0x16mm flange bolt
• 4x M6x1.0x20mm flange bolt
• 2x M6x1.0x25mm flange bolt
• 4x 1/2 inch worm gear clamps
• 1x 5/8 inch worm gear clamp
• 2x 1/8 inch NPT brass plug
• 1x rear cover coolant plug o-ring
• 1x coolant plug o-ring
• 1x 3/4 inch to 5/8 inch heater hose connector
• 2x 3/8 inch coolant plug
• 4x M4x.7x10mm bolt
• 3x 10-32 x 3/8 inch button head screw
• 4x 1/8 inch aluminum rivet
• 1x 4 inch - 4.5 inch reducer boot
• 1x 4 inch t-bolt clamp
• 1x 4.5 inch t-bolt clamp
• 1x 4.5 inch filter
• 1x Radiator cap
• 1x 1 inch worm gear clamp
• 1x low coolant sensor
• 1x 1/2 inch NPT float switch
• 1x 1.75 inch x 3 inch straight boot
• 2x up-pipe gasket (turbo side)
• 1x 1.75 inch 90 degree boot
• 2x up-pipe gasket (manifold side)
• 4x 1 3/4 inch worm gear clamps
• 5' of 5/8 inch PCV Hose
• 16 inch of Trim seal
• 14 inch of 1/2 inch heater hose

Compatibility

This kit is compatible with:

• LML: 11+ VIN Code 8

Wondering how to find your VIN code? The engine code is determined by the 8th character of your VIN number, while the 10th character indicates the year of your truck.