Quote:
Originally Posted by Stymie
if you get a tuner, and run larger than a 210 tune, the intake is required. it will suck the filter minder in and tell you the filter is plugged. the exhaust isnt required, but helps alot. with a muffler, the in cab noise is kept very well in check.
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How much difference will i get between the 4" and the 5" exhaust?
Thanks
