Maryland Emissions
Hi, I live in MD and currently looking to buy a 2013 M5. I was wondering if any of you have changed your downpipe and if so have it caused any trouble passing emissions? Or if catted what brand you chose. I know I want a RPI exhaust but want to do everything one shot deal. Thanks for any help.
PDOT
Last edited by PDOT; 03-18-2015 at 04:03 PM..
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