As your a beginner, go to Bunnings and buy a cheap but complete set of spanners/sockets and start working on the car yourself, the A series is the perfect engine for a novice.

Ask any questions you have here and you wont go wrong,(a shop manual is good too.)

When you do get some extractors, buy a gasket and fit them yourself so you learn how it all goes together, then drive to your exhaust shop and get them to join up the exhaust you have if they think its suitable or fit a new free flowing exhaust.