aFe Magnum FORCE Cold Air Intake System Induction Plug for 5X-11772 (59-10087) 1533 Injen Intercooler pipes are the

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aFe Magnum FORCE Cold Air Intake System Induction Plug for 5X-11772 (59-10087) 1533 Injen Intercooler pipes are theMagnum Force Cold Air Intake Induction Plug by aFe. This plug installs in place of the resonator on a GM Duramax diesel engine air intake tube. The resonator on a GM Duramax diesel engine is supposed to suppress turbo noise. However, it can crack and allow dirt to enter the engine, and its bulky appearance sticking out of the air intake tube isn't very attractive. Many have tried removing the resonator and plugging the hole with a universal plug from