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01-13-2020, 08:53 AM
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#2
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///M Powered for Life
Drives: E90M/E92M/M4GTS/M4GT4/X5M
Join Date: Sep 2010
Location: Greenwich, CT
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I doubt there is any difference in your fuel economy due to the change, but I'm pretty sure you have nothing to worry about. People run catless exhausts all the time
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