A couple of fellow member have done a 'suck-though' system, quite sucsessfully i might add, Topgear had a set-up that put out 96kw atw(roughly 130hp)-


And also there is Datsonovic from Tasmania Here is a write up that he posted ages ago, its a good read.

Suck through set-ups aren't as efficent ad a blow-thorugh but you can acheieve some really good performance gains and they are relitive easy to set up and maintain, compaired to a blow through set up.

If you need any help or any questions there is heaps of people to help you, just let us know how we can help.