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A better flowing charge air cooler pipe and a pair of unique billet coldside adapters results in less boost pressure loss and improved performance for your Duramax. By allowing for more air to your engine, your turbo can spool faster and breathe easier. This results in maximizing horsepower, reducing stress on intake components, and improved turbo spool response.
Even with the tighter engine space in the 2020+ L5P, Banks engineers were still able to maintain a full 3.5" diameter on both the hot and cold side of our boost tubes. Put up side by side with the factory intercooler piping, ours could practically eat the stock one whole!
GM revised, moved, and updated several components throughout the engine bay for the 2020+ L5P. Our engineers used CFD simulations to design the perfect taper and unique double parabolic billet couplers for both ends of the cold side tube to maximize airflow and reduce turbulence. No other manufacturer of intercooler pipes use this method of mounting.
For the 2020+ L5P, GM decided to go with a near full rubber hose design on the cold side. This added flex and swelling the hose provides leaves additional performance on the table. Banks Boost-Tubes will never crack or dry out like the the rubber OEM Charge Air Pipes and are mandrel bent from aluminized stainless steel to resist deformation from clamping force and other stresses for unparalleled durability and strength.