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The ISR Performance Series II MBSE rear section axle-back for BMW E46 is a direct-fit rear exhaust section intended to replace the factory rear portion without altering the rest of the system. Offered as part of ISR's Performance Series II, the rear section lets owners restore or modify the rear exhaust hardware, providing a straightforward OEM-replacement or upgrade path tailored to the E46 platform.
ISR Performance Series II - MBSE Rear Section Only - BMW E46
