Available for: 2010 - 2022 Cummins ISX15 & X15 Engines

**PDI Big Boss Intake manifolds are built to increase performance and balance the air going into the engine. By opening up the manifold in key areas airflow will increase up to 35% leading to lower air intake temperatures resulting in power gains of up to 20hp. These direct replacement manifolds are simple to install and utilize factory hardware. Like all PDI products, the Big Boss intake manifolds will increase horsepower, torque, and efficiency to make your drive more enjoyable and save you money.

**PDI’s BIG BOSS® Performance Tuner [HD] brings all the benefits of tuning without all the hassle. Simply plug it into your diagnostics port and follow the simple instructions to have the results of tuning with the press of a button.

PDI has taken the industry-leading tuning that has delivered unbeatable results for fuel efficiency and power and packaged it within a simple hand-held design. Not only is the tuning easy to install but the simple design lets you customize gauges, change vehicle settings and read or clear codes. Tuning has always been the simplest and most efficient way to access the fuel economy and horsepower that you deserve! Because every driver’s situation is different, the Performance Tuner offers different stages of economy & performance to match your driving style, application, and performance upgrades. BENEFITS:

• Industry Leading Horsepower and Torque Increase
• Striking Gauge and Monitoring Options
• Diagnostic Fault Code Troubleshooting
• Speed Limiter Adjustment
• Tire Size and Gear Ratio Adjustment
• DPF Manual Regeneration Test**
• DPF Restriction Test**
• Fleet Password Lockout for Fleet Managers
• Available in All 50 States
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