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:
true or false about catalytic converters
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10-16-2006, 06:38 PM
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exekious
Scooby Newbie
Member#:
73951
Join Date:
Nov 2004
Chapter/Region:
South East
Location:
Aberdeen, NC
Vehicle:
2006 M5
Blue
On my Evo, I have a resonated test pipe that is quieter then my high flow cat with metal substrate. I was amazed that it would be like that...
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