HEAVY-DUTY PRODUCTS

ECM TUNING

PDI’s Big Boss® ECMs offer tuning that is not available anywhere else in the marketplace. The Heavy Duty Diesel ECM Tuning that we offer in a wide variety of applications is the highest horsepower and efficiency gains in the industry.
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TURBOS

The newest line of Big BossTurbos are made with an industry exclusive stainless steel turbine housing that offers enhanced airflow and improves performance. The material used is a very robust design that withstands the toughest heat cycle conditions.
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TWIN TURBO KIT

PDI'S Big Boss® Turbo Kits are built for 800-1500 Horsepower.
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EXHAUST MANIFOLDS

Big Boss® Exhaust Manifolds produce, on average, a 20% air flow increase over a stock manifold, cooling exhaust temperatures by 75-100 degrees. PDI manifolds are a big part in maintaining the best exhaust pressure to boost pressure ratios which will provide potential for increased fuel economy.
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INTAKE MANIFOLDS

The Big Boss Intake is made to allow up to 55 percent more clean air into the engine while still mounting in the factory position with the factory hardware. We do this by eliminating the "necked down design" that the factory gives you and replace it with an open design. 
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INTERCOOLERS

Our Big Boss Intercoolers decrease EGT’s 150 to 200 degrees with no boost drop across cooler, and decrease intake manifold air temperature up to 30%. This results in increased fuel efficiency and power.
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RADIATORS

Big Boss® radiator tanks are made of high strength, heavy-gauge rust resistant steel and are professionally engineered using the latest Solid Modeling CAD (Computer Aided Design) and FEA (Finite Element Analysis) software.
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CAMS

PDI’s Big Boss® Cams are designed with higher lift and duration for more power and better efficiency.
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MUFFLERS

The Straight Flow Performance Stack Mufflers cancel out sound waves by directing them into one another causing destructive interference for a low restriction, quiet exhaust. These mufflers will lower exhaust temps, increase fuel mileage, improve throttle response, and allow for up to 50 additional horsepower.
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CRANK DAMPERS

Our viscous torsional damper is a design that consists of a free rotation inertia ring surrounded by a viscous silicone fluid enclosed in a laser welded, sealed housing.
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CLUTCHES

Performance Diesel now carries clutches!
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CALL 800-511-1231

 *NOT Approved for Sale or Installation in the State of California

YOU DESERVE THE HIGHEST QUALITY DIESEL PERFORMANCE PRODUCTS

Established in 2001, PDI is a manufacturer of high-quality, diesel performance products. From the sale to installation, you can count on PDI to provide the very best in customer service and advice. We are dedicated to discovering the best possible combinations of high performance parts and accessories to help you achieve your diesel efficiency and power goals