HSP Deluxe No Bridge/Cold Side Bundle Kit For 2007.5-2010 Silverado/Sierra 2500/3500-Ink Black

$2,551.03 CAD

SKU: D-494-HSP-GB-GVJG Category:
Brand: HSP Diesel

The 494-HSP is best known as the Max Air Flow Bundle for the 2007.5-2010 LMM Duramax-equipped Chevrolet and GMC trucks. This bundle kit is the way to go if you are looking to get everything that HSP Diesel makes for the LMM to increase and maximize performance.

What is the Max Air Flow Bundle for the LMM?

The Max Air Flow Bundle for the LMM Duramax trucks is a great kit for the person looking to get everything they need all at one time. This kit works great even for those of you who are thinking they will never go away from the factory turbo or injection system because this bundle brings out the maximum performance in those factory systems. The Max Air Flow Bundle will also work well with drop-in style turbochargers and aftermarket injection systems.

Tell us about the Cold Air Intake that comes in the Max Air Flow Bundle

The Cold Air Intake in the Max Air Flow Bundle makes major changes compared to the factory setup. HSP Diesel started by making changes to the size of the intake tube increasing the intake tube to a 4 1/2 inchdesign to bring as much air through the tube as possible. While we saw an increase in the amount of air we could bring in we needed to make sure the intake could actually breathe that amount of air in. So we paired the intake with a high-quality filter and an open design, we used our heat shield box to prevent the hot air from the engine bay from being sucked into the intake. We have seen on an average 20 horsepower and 58 pounds of torque increase on the dyno.

Tell us about the Hot Side Intercooler Tube that comes in the Max Air Flow Bundle

The Hot Side Intercooler Tube is a part that fails not only often but causes major headaches when it does fail. Now what we mean by that is this Hot Side Intercooler Pipe often leaks at the factory lower intercooler boot. HSP Diesel solved this problem by removing the need for that boot and allowing for a straight connection at the intercooler. HSP Diesel also increased the Intercooler Tube to a 3 Inch mandrel-bent style. This gives a lot more space for air to be packed into that tube and with the mandrel bends, we were able to minimize the turbulence and increase the overall flow up to 40 percent.

Tell us about the Billet Thermostat Housing Kit that comes in the Max Air Flow Bundle

The Billet Thermostat Housing Kit in the Max Air Flow Bundle is a great addition to any truck. We designed this kit to not only work better than the factory setup but also look better. HSP Diesel did this by removing the coolant hose that goes over the driver's side valve cover, this gave much more ample room for engine work and modifications. In addition to moving this, we use a Billet aluminum that is CNC machined to give an even better look and performance.

Tell us about the VGT Intake Mouthpiece that comes in the Max Air Flow Bundle

The VGT Intake Mouthpiece is a part that when inside the Max Air Flow Bundle brings everything together. The VGT Intake Mouthpiece is important because all of this added flow doesn't work if we can't handle the air that comes in through the intake. The VGT Intake Mouthpiece is hand-assembled and creates a much better seal with the O-Ring style and this prevents unfiltered air from getting into the turbo and creating a boost leak.

Tell us about the Factory Replacement Coolant Tank that comes in the Max Air Flow Bundle

The factory coolant tank in the Duramax engine is prone to not just failure but looking awful. We say this because it is made of plastic and that plastic gets dirty and turns yellow quickly. We also see a common failure point of the factory coolant tank cracking this causes leaks and can quickly turn into a major failure of components. We solve this problem by making the Factory Replacement Coolant Tanks out of CNC bent and cut aluminum that is then hand-assembled. Using factory provisions and a low coolant sensor this tank is a drop-in design.

What comes with the HSP Max Air Flow Bundle?

  • (1) 3 Inch Mandrel-bent hot side tube
  • (1) Cold Air Intake
  • (1) VGT intake mouthpiece
  • (1) Replacement coolant tank
  • (1) Billet thermostat housing kit
  • (1) 1.75 Inch Radiator Hose Tube
  • (1) 3 Inchx4 Inch Straight Boot
  • (3) 3 Inch T-Bolt Clamp
  • (1) 2.25 Inch to 3 Inch Reducer Boot
  • (1) 2.25 Inch T- Bolt Clamp
  • (1) 4.5 Inch - 4 Inch Reducer Boot
  • (1) 4 Inch T-Bolt Clamp
  • (1) 4.5 Inch T-Bolt Clamp
  • (16 inch) Trim Seal
  • (4) 1/2 inch Worm Gear Clamp
  • (1) 1 inch Worm Gear Clamp
  • (14 inch) 1/2 inch Heater Hose
  • (18 inch) 3/8 inch Heater Hose
  • (1) 1.75 Inchx3 Inch Straight Boot
  • (1) 1.75 Inchx90 Degree Boot
  • (4) 1 3/4 Inch Worm Gear Clamps

What Does The HSP Max Air Flow Bundle Fit?

LMM: 07.5-10 VIN Code 6

How do people know the VIN code?

Engine code is dictated by the 8th character of the VIN number. The 10th character is the year of the truck.


  • Increased performance
  • Maximizes factory parts with emissions intact
  • High flowing cold air intake
  • 3 Inch Diameter hot and cold side tubes
  • High strength 5 layer silicone boots
  • Powder Coat options for a clean look under the hood
  • Replaces prone to failure factory parts

Our Warranty

HSP No BS Limited Lifetime Warranty

At HSP we believe in our products and we stand firmly behind every single one that leaves our facility. For years we have taken care of almost everything & anything that our customers had issues with, but we didn't have a set in stone warranty. We have always gone above and beyond for our customers which set us apart from the rest. We will continue that same standard, but now we are taking things to the next level.

Additional information

Weight 55.00 lbs
Dimensions 48.00 x 15.00 x 15.00 in

Ink Black




Aluminized Steel

Country of Origin

United States

Sold As






Warranty HSP Limited Lifetime Warranty
Make From Year To Year Model Sub
Chevrolet 2007 2010 Silverado 2500 HD LT
Chevrolet 2007 2010 Silverado 2500 HD LTZ
GMC 2007 2010 Sierra 2500 HD SLE
GMC 2007 2010 Sierra 2500 HD SLT
GMC 2007 2010 Sierra 2500 HD WT
Chevrolet 2007 2010 Silverado 2500 HD WT


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