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The ISR Performance Series II resonated mid section is a mid-pipe replacement for late-model BMW E46 325 and 330 chassis applications, offered as the resonated mid section only. It provides a direct-fit option to alter exhaust tone and gas flow while retaining a resonator for drivability. This mid section suits builders seeking a specific acoustical and flow change without replacing the entire system; installation pairs with compatible ISR components.
ISR Performance BMW E46 Late 325/330 Series II Resonated Mid Section Only
