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Installation Instructions

PDI Big Boss Turbo + Exhaust Manifold Combos 141000716300,101000034681,111000034681 Details

This PDI combo package for 1997-2007 CAT 3126 and CAT C7 ACERT engines includes a Stage 1 Turbo (part 716300), a Ceramic Coated Exhaust Manifold (part 3468C), and a PDI Installation Kit (part 3468K). This turbo/exhaust manifold combo is designed to increase fuel efficiency, horsepower and torque. Look for an increase of 50-60 HP.

This PDI combo package converts trucks with C-7 Acert twin turbos into a single turbo. The kit includes the majority of the components necessary for a clean installation that will deliver increased fuel efficiency, horsepower and torque. Designed for reliability, drive-ability, and efficiency the turbo is built to withstand the toughest heat cycle conditions.

Key Features & Components

  • Borg Warner-Based PDI CAT Stage 1 Turbo Part 141000716300
  • PDI Big Boss CAT 3126 & C7 Polished Ceramic Coated Exhaust Manifold Part 101000034681
  • PDI Turbo & Exhaust Manifold Installation Kit – Part 111000034681
  • 1 Year Unlimited Mileage Warranty on Turbo
  • 3 Year Unlimited Mileage Warranty on Exhaust Manifold
  • Note: Tuning Required. Run the PDI Big Boss Tuner on the Power Tune.
  • 2nd Note: Turbo to Air Charge Cooler Pipe Not Included – Other Fabrication May be Required

Turbo Info

Increase your fuel efficiency and your drive-ability for you C7 with Performance Diesel Inc.’s CAT C7 Stage 1 Turbo. Designed for reliability, drive-ability, and efficiency this turbo is built to withstand the toughest heat cycle conditions. Comes with a 1 Year Unlimited Mileage Warranty

Exhaust Manifold Info

The CAT 3126 & C7 Ceramic Coaoted Exhaust Manifold has been designed to maximize exhaust air flow, reduce turbo lag time, and cool exhaust temperatures. Stock and other competitive products on the market fall short as their design constricts the airflow, increasing turbo spool response time. The hard angles on other manifold designs cause higher swirl rates and friction which increases exhaust temperatures putting more risk on the engine. With lower quality iron, a stock exhaust manifold or one from a competitor can weaken over time as the manifold expands and contracts. This can lead to cracks and even flaking. The PDI Exhaust Manifold is built using a superior grade of High Silicon with Molybdenum Ductile Iron (HSMD) that eliminates weak points such as warping, cracking, and center divider failure from heat erosion.

This material, combined with a redesign of the mounting surfaces, eliminates common failures due to a fatigued manifold. Each port has been analyzed and tested to provide a balanced flow to the turbocharger. The diameter of the runners has been designed to produce, on average, a 20% airflow increase over a stock manifold. The gradual angles of the manifold have been built to reduce swirl rate resulting in cooler exhaust temperatures by 75-100 degrees. PDI manifolds help maintain optimal exhaust pressure to boost pressure ratios, providing the potential for increased fuel economy. It comes with a 3 Year Unlimited Mileage Warranty

Install Kit Info

The Turbo / Exhaust Manifold Combo install kit includes a turbo clamp, spacers, studs, nuts, washers, gaskets, and drain tube assembly for a professional installation. No need to run all over looking for random components. PDI isn’t just a parts manufacturer. They are a real world shop, and they design and install every part they make. With PDI performance parts you know you’re getting only the best.


This product can expose you to chemicals which are known to the State of California to cause cancer. For more information go to
California Proposition 65 Notice
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