That's pretty badass so there could probably be aaround a 100hp increase adding that plus the XEDE tuning. Over 300HP on a mazdaspeed 3... Not too bad. I'm guessing that'd cost around 3-3.5k?
Okay so what would the estimated HP and TQ be on a Mazdaspeed 3 with the following mods. Downflow tube, CP-E xhaust, and an Intake? I don't know what other performance mods there really are besides a chip. Also maybe with an FMIC? Curious on what those add up to and then compare to Xede's /...