So my amazing wife got me a Depo 3.5 FMIC for christmas.. I'm stoked.. Only question I have is can I use stock piping for this IC? Thanks for the info guys... I'm pretty happy.. I'm running CFM catless DP res delete soon to be this IC and I'm planning on getting tuned early spring from Randy @ mountune... Can't wait to see how much diff this thing acts onces that's all done. Thanks for answering my question!