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If you've moved your brake duct inlets to the fog lights or front radiator and don't have a custom splitter, here's a $2.20 part that blocks off your stock inlets very nicely -- the Charlotte Pipe 4-in dia PVC Cap Fitting: https://www.lowes.com/pd/Charlotte-P...itting/3339786 Lowe's uses the same picture for the 3-in dia one but you want the 4-in size.
I just happened to take a picture of my car because the left side liner extension got destroyed after spinning in oil on track and had to buy replacement parts. Two or three self tapping zip screws and you are done.
Last edited by naschmitz; 06-04-2017 at 12:39 PM.
Reason: Added image of test cap
06-01-2017, 03:31 PM
Closing off stock brake duct inlets on a C6
