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View Full Version : Catalytic convertor Defender 110 NAS



polardoc
10-06-2007, 02:15 PM
Installed a stainless steel NRP exhaust 2 years ago and now the L hand cat has started rattling horribly. No external damage and the heatscreen is solid. What are my options ?. replace Y pipe and both cats or cut out the cat and replace with aftermarket cat , or ??