APR Premium Helmholtz Resonator - 76mm (3") (MUH0021) StillenShipping_75 SMARTER INTERFACE

SMARTER INTERFACE

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Outflows Factory Intake By 92%

A Digital Tach And Speedometer Are Also Included In Its Functions

Replace the faulty or old rear catalytic converter with the all new aFe power direct-fit front cat replacement

APR Premium Helmholtz Resonator - 76mm (3") (MUH0021) StillenShipping_75 SMARTER INTERFACEAPR's premium line of Helmholtz Resonators are now available! Perfect for the do it yourself enthusiast fabricating a custom exhaust system, these resonators target and cancel out specific frequencies that create drone. Internally the system is open with an small offshoot path leading to the main chamber designed to bounce soundwaves back into the exhaust flow path to eliminate unwanted frequencies. The main exhaust path is a straight through 76mm