The 3" High Flow Passenger Side Upper Crossover Intercooler Pipe for 2011-2016 LML Duramax provides a 20% increase in size over the OEM part allowing for less restriction in airflow and an increase in efficiency and turbo spool up. Eliminates resonator for improved appearance and more aggressive turbo and engine sound. For use with the OEM Y-Bridge and connects to the factory throttle valve and grid heater. Finished in your choice of custom powder colors. This pipe is compatible with stock trucks requiring no additional modifications, upgrades, or tuning for installation.
Installs easily with basic hand tools.
Pairs best with emissions-compliant tuning and drop-in turbochargers for optimum performance gains.
Replaces the following GM Part Numbers: 12642321
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