APR Premium Helmholtz Resonator - 76mm (3") (MUH0021) StillenShipping_75 The Essential management system provides

The Essential management system provides an entry level manual management with everything needed for a simple install and is easily upgradeable to VERA Evo

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APR Premium Helmholtz Resonator - 76mm (3") (MUH0021) StillenShipping_75 The Essential management system providesAPR'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