I have a 98 mercedes ml and want to put subwoofers in...and i want to go the really cheap route...which of these are louder?

http://www.cardiscountstereos.com/catalog%20page.asp?Product+%23=XBX1000

or

http://shop.mplcar.com/product.sc?categoryId=13&productId=78

also, i kinda want to install them myself, but i dont much about it. Do mercedes have really complicated stuff or can i do it myself....or should i just get it professionally done?

thanks

Hi Laxbrah.

Check out the car audio forum.
http://www.avsforum.com/avs-vb/forumdisplay.php?s=&daysprune=&f=160

o my bad didnt see that....thanks