Welcome to VMP Performance's NEW Support Center BJ McCarty April 12, 2018 15:04 Follow Have more questions? Submit a request 3 Comments Date Votes 0 Todd A Kline June 23, 2016 13:24 how do I upload datalogs using the support center? -1 BJ McCarty June 26, 2017 21:20 Simple. Just fill out a support request and you'll find the icon for attaching at the bottom of the form. If you have any questions about it feel free to call us at (321) 206-9369 0 Xtreme0399 April 12, 2018 15:04 I changed my exhaust from stock to 3” Corsa extreme catback. Does the tune need to be modified to compensate for any new flow? Please sign in to leave a comment.