You're going to love the sound. At least I love it.. people at my job like the sound as well with the bms dp. Just do it. If you haven't tried map 2 at all. Trust me, you'll feel something. I thought map 1 felt like stock so you haven't felt anything if you've been on map 1. Map 7 it's an animal.
JB4 S2 ISO Map7, BMS Intake, BMS Chargepipe, BMS Downpipe, BMS OCC, Flex fuel wires.