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It's a direct bolt-on enhancement with no cutting or modifications needed
Its robust construction ensures long-lasting protection and performance
It measures turbo boost pressure from 0 to 60 psi
The factory crankcase ventilation system constantly dumps carbon-based contaminants back to the air intake
5 Inch Inlet
Coolant Bypass Tube - Water Pump to Thermostat Housing 2011-2016 GM 6.6L Duramax LML Pacific Performance Engineering 2020 It's a direct bolt-on enhancementThe OEM mild steel tube is prone to rust, which can lead to coolant system contamination and eventual leaks. Over time, factory O rings also tend to harden and lose compression, increasing the risk of failure. PPEs upgraded bypass tube is specifically designed to work with the factory water pump and is crafted from high grade 304 stainless to prevent corrosion and ensure reliable, long term performance. OEM PN for Reference: GM 12633704 Features: