Sierra 3500 HD

Testing has shown that the factory GM intercooler causes a 2 to 3 (+) psi pressure drop, so the boost from even the largest turbocharger can be choked if the intercooler is inefficient.With PPE's High Flow Performance Intercooler, pressure drop (wasted...

People know that billet aluminum is a lot tougher than plastic. That toughness means fewer problems over time. So replace your fragile plastic, factory air bleeder screw with the longer-lasting billet aluminum PPE Air Bleeder Screw. The damage and...

Designed for factory fit, these durable 5mm performance silicone hoses are a perfect upgrade when your worn coolant hoses need replacing.Designed for factory fit, these durable 5mm performance silicone hoses are a perfect upgrade when your worn coolant...

The Mishimoto Chevrolet Silverado 1500 V8 performance aluminum radiator is the ideal upgrade for the stock Silverado radiator. This direct-fit radiator is designed and specifically engineered to maximize the cooling efficiency of your Silverado whether...

Factory coolant hose "T" fittings are molded hose or made out of plastic and are prone to cracking at junctions, causing coolant loss. Replace your worn or leaky factory coolant hose system with PPE's Performance Silicone Coolant Hose Kit.Perfect for...

Specifically designed for use with the factory water pump. Fully polished 304 stainless steel construction looks great and prevents corrosion. The OEM mild steel pipe rusts and eventually leaks.Specifically designed for use with the factory water pump...

Each PPE Performance Silicone Hose is strengthened with 5 plies of Nomex reinforced fibers making them very tough. Fluorocarbon lining offers better lubricity (slippery and resistant to chemicals) and the silicone rubber construction ensures they can...

Replace your restrictive 2.5" OEM intercooler hot charge pipe with the high-performing 3" PPE intercooler hot charge pipe. PPE intercooler hot charge pipe is designed to give you higher cooling capacity, improved airflow, premium performance, and...

Replace your restrictive 2.5" OEM intercooler hot charge pipe with the high-performing 3" PPE intercooler hot charge pipe. PPE intercooler hot charge pipe is designed to give you higher cooling capacity, improved airflow, premium performance, and...

Once you've installed an aftermarket Fuel Filtration System such as our FASS Titanium Series, the use of the factory fuel filter is no longer required and can be removed. Because your Duramax factory fuel filter is located after our filtration System you...

Mishimoto is expanding their line of Duramax performance parts! Fed up with high EGTs and an intercooler setup that isn't keeping up with the demands of your Duramax? The solution is finally here with the Mishimoto 2006-2010 Chevrolet/GMC 6.6L Duramax...

Our FASS Signature Series Adjustable Diesel Fuel Pumps are designed to be the most versatile high performance fuel pump on the market that allows for adjustable fuel pressures to meet the demand of high performance GM Duramax 6.6L applications...