Eliminate the restrictive factory turbo inlet on your 2001-2004 GM 6.6L Duramax LB7 with the HSP LB7 Stock Turbo Inlet Horn. Designed to bolt onto your stock tubrocharger, this 3.5" inlet horn maximizes airflow to your turbocharger. With many reporting a decrease in EGT's and increased power ga..
The 040-HSP Or HSP Billet Thermostat Housing Kit for the 2001-2005 Chevrolet and GMC Duramax is an awesome piece of billet equipment! Why Would you need an HSP Billet Thermostat Housing Kit?Let’s start with the fact that the factory location and how tight things route inside the engine bay of a..
Replace the restrictive factory cold side intercooler pipe on your 2003-2004 GM 6.6L Duramax LB7 with the HSP LB7 Factory Style Cold Side Intercooler Pipe. HSP uses a 3" diameter mandrel bent pipe which showed major power gains over the factory small diameter pipe when dyno testing. FEATURES:3"..
The HSP LLY Cold Side Intercooler Pipe to Factory Bridge is a bolt on upgrade over the factory intercooler pipe in your 2004.5-2005 GM 6.6L Duramax LLY. This 3" mandrel bent pipe can flow 53% more air than the factory unit and responds well when paired with turbo and fuel upgrades. Included is a 2.2..
Match the intercooler pipe to the HSP Max Flow Bridge in your 2004.5-2005 GM 6.6L Duramax LLY with the HSP LLY Cold Side Intercooler Pipe for the HSP Bridge. The HSP Intercooler tube is built from 3" mandrel tubing. Designed to increase horsepower, efficiency, and flow, the upgraded intercooler pipe..
Eliminate oil going through the intake and into the turbo on your 2004.5-2010 GM 6.6L Duramax with the HSP PCV Reroute Kit (No Resonator Plug). Featuring a free-flowing design, HSP reroutes the restrictive factory PCV system out of the intake which prolongs turbo life and prevents the intercooler sy..
The HSP LML Hot Side Intercooler Pipe for your 2011-2016 GM 6.6L Duramax LML outflows the factory pipe by up to 40%. This hot side intercooler pipe eliminates the poorly designed factory lower intercooler boot by using a straight connection to the intercooler. This prevents the boot from blowing off..
Get the most out of your 2004.5-2005 GM 6.6L Duramax LLY with the HSP LLY Max Flow Bridge. Built to mate to your factory cold side intercooler pipe, HSP's 3" Max Flow Bridge features a precision cast CNC machined bridge section so you can get the best flow, fit, and performance. Available in multipl..
Eliminate the weak factory lower intercooler boot design on your 2001-2010 GM 6.6L Duramax with the HSP Hot Side Intercooler Pipe. HSP's design allows for a straight connection to the intercooler which eliminates any issues with the silicone boot. The 3" mandrel bent tubing features smooth, sweeping..
The HSP Max Flow Bridge & Cold Side Intercooler Pipe (Behind Alt.) provides maximum performance and efficiency for your 2006-2010 GM 6.6L Duramax. HSP's cast and CNC machined bridge section allows for a perfect fit every time. The two-piece design allows for an easy installation and has been pre..
Increase airflow on your 2001-2004 GM 6.6L Duramax LB7 with the HSP LB7 Cold Air Intake. With gains of up to 20HP and 58 lb-ft on average, the HSP Intake System delivers power, efficiency and air flow. The 4" mandrel-bent intake tube provides a free-flowing path for air. The specially designed heat-..
The HSP LMM Cold Air Intake for your 2007.5-2010 GM 6.6L Duramax LMM adds a custom look under the hood while increasing performance! Featuring 4" mandrel bent pipe, HSP's intakes increase flow by removing restriction while also pulling in cold, fresh air from the headlight bezel and fender port. The..
Increase airflow while adding custom styling under the hood of your 2004.5-2005 GM 6.6L Duramax LLY with the HSP LLY Cold Air Intake. This 4" mandrel bent intake draws fresh are from the headlight bezel and fender port for a consistent and re-flowing path that out-performs other intakes on the marke..
The HSP LBZ Cold Air Intake adds a custom look under the hood of your 2006-2007 GM 6.6L Duramax LLY/LBZ while increasing performance! Featuring 4" mandrel bent pipe, HSP's intakes increase flow by removing restriction while also pulling in cold, fresh air from the headlight bezel and fender port. Th..
The HSP 2" Replacement Up-Pipes are an excellent high flow upgrade to replace the restrictive factory pipes on your 2001-2004 GM 6.6L Duramax LB7. The 2" design not only increases flow and power, but also reduces EGT's! Heavy wall 304 stainless steel construction coupled with heavy duty sleeved bell..
Replace the unsightly, yellowed, and brittle plastic factory coolant reservoir in your 2001-2007 GM 6.6L Duramax with this sleek custom aluminum HSP Factory Replacement Coolant Tank. HSP CNC cuts and bends each tank for an excellent fit in the stock location. A factory low coolant sensor, fittings, ..