just so you know mate, the new members section is just a place to introduce yourself and to get to know the feel of the site.
any further questions really belong in the appropriate sections.
eg,
d/din sale belongs in the for sale section.
http://www.opelaus.com/forums/forumdisplay.php?f=32

sri-t performance and handling questions belong in the sri-t part of the astra section
http://www.opelaus.com/forums/forumdisplay.php?f=31

not having a go at you mate, just letting you know. posting in the correct area will result in you finding more info, and alot faster too.
welcome to the site, sorry i was so slow in welcoming you.