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%...
The HSP LML 58" Bolt On Traction Bars are built from the best components for your 2011-2019 GM 2500HD/3500HD. From the factory, wheel hop issues plague almost all trucks, even at stock horsepower levels! Keep...
Eliminate wheel hop in your 2011-2019 GM 2500HD/3500HD with the HSP LML 70" Bolt On Traction Bars. Even on stock horsepower trucks wheel hop is a major issue. HSP's Bolt On Traction Bars provide you with a...
Upgrade the factory coolant reservoir in your 2007.5-2010 GM 6.6L Duramax LMM with the HSP LMM Factory Replacement Coolant Tank. Featuring a sleek aluminum construction, HSP's coolant reservoir is CNC cut and bent for a...
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...