Originally Posted by superdood0 (Post 7991307)

I am going to fit a Prodrive back box onto my blob WRX and have a couple of questions:

If you need a gasket from the centre section to the backbox where can these be purchased on-line?

http://www.rogerclarkmotorsport.co.uk/shop_detail.asp?productID=355

Does the Prodrive backbox fit straight onto the OEM centre section?

YES

Also, how much should I be looking to pay for a 2nd hand Prodrive backbox?

IRO £100 depending on condition, little higher for a minter.
FWIW you can get nicer exhausts second hand :)

Any advice would be appreciated..:)