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Does 3m Intake System Cleaner Really Work?

Published on November 30, 2015 under Video
Does 3m Intake System Cleaner Really Work?
Today I will be testing 3m Intake System Cleaner. This cleaner is meant to clean the intakeĀ manifold, valves, and combustion chamber of 4 stroke engines. We will be cleaning the intake system of my 1998 Volkswagen GTI VR6. The maintenance history of this car is largely unknown. There are many products that claim to clean…
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