Thread: 335d aftermarket exhaust
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      05-04-2013, 09:04 AM   #8
floydarogers
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Drives: 2010 335d, 2014 328d
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Quote:
Originally Posted by Dan930 View Post
Sorry to sound stupid but what's a scr cat??cataylic converter??
Selective Catalytic Reduction. It's where the Diesel Exhaust Fluid reacts with the NOx; sits where the resonator is in the gas/petrol cars.
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