Many Duramax owners don't even know they have a boost leak until it is diagnosed and fixed then feel the real torque their Duramax was supposed to be putting out! All common and potential leak points.
Duramax 6.6L TURBO BOOST LEAK TESTER- 2500HD 3500HD Chevy GMC Sierra Silverado
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Turbo System Leakage Tester Set Turbo Boost Leak Tester Turbo System Boost Press
