Hi Quart Thank you for all the excellent info. I admire your time and expertise in achieving the ultimate system to your liking.
Your finish product is much anticipated
I've been doing a lot of research about SQ Upgrading my base system. Not sure which Sub/Mid bass i should go with in a stealth application. If you could shed some light.
Have you been able to successfully use the existing under seat enclosure? I'd love to try the I6WS. someone in the E90 forum measured the total chamber volume to be about 1.4ft3. i was wondering if i could use the I8WS with some custom MDF rings + fiberglass+ bondo.
Did you have to block off the B pillar duct for the I6WS to maintain a smaller enclosure volume or was it just right given the narrow size of the duct?
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http://www.e90post.com/forums/showthread.php?t=343673)