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Product Name: Doctor Diesel USA DDP Intercooler Boost Tube Upgrade Kit 17-19 Chevy GMC 6.6L Duramax Diesel L5P Manufacturer: Doctor Diesel USA Manufacturer Part #: DD-502 Fitment Applications: 2017-2019 GM L5P 6.6L Duramax Diesel Improve the power and efficiency of your 2017-2019 Chevrolet/GMC 6.6L Duramax L5P with our Doctor Diesel USA intercooler pipe and boot kit. The factory L5P intercooler pipes are a measly 2.5" diameter that chokes the engine, while tight bends and a resonator on the hot ...

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