Originally Posted by kaveh14GT
A shop is installing a high flow catted H pipe on my 2014 5.0 with the pypes high flow metallic converters and my tuner won't get here until Tuesday, I was wondering if they will get damaged driving on them for a few days maybe like 100-150 miles. If that is too many miles without a tune I will just drive it home from the shop and leave it in my garage until the tuner get's here. 20 Miles shouldn't damage them right?
What kind of H did you have installed? Are you happy with the results. We're you going for sound, performance, all of the above? What do you feel is the difference from the stock H?
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