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One catalytic converter failed on mine (inner substrate), and that was causing an annoying rattling sound on mine. Started with that occasional ding-ding noise and got much worst within a month or two (permanent rattling). Replaced both with high-flow 200 cells (aftermarket, 1/3 of the price of the genuine porsche part)
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'97 Boxster base model 2.5L, Guards Red/Tan leather, with a new but old Alpine am/fm radio.
Last edited by Nine8Six; 01-01-2020 at 05:10 PM.
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