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Formulated specifically for today's high-pressure common rail diesel engines
making it a comprehensive solution for improving oil temperature control on your engine
helping your CAT engine run smoother and pull harder under load
9L 12-valve Cummins trucks
BIG BOSS PERFORMANCE TUNER FOR RV'S Combustion Technologies Formulated specifically for today's high-pressureIf youre looking to get more power, better fuel efficiency, and improved drivability out of your RV, the PDI BIG BOSS Performance Tuner for RVs delivers professional grade tuning in a simple plug and play device. The Big Boss Performance Tuner connects directly to your vehicles diagnostic port, allowing you to install tuning quickly by following the simple on screen instructions. With the push of a button, you can unlock improved performance and