Originally Posted by Soksta

Welcome to Perth-WRX!

Before asking for the best exhaust, I'd be looking at what you wish to achieve.
Do you want an exhaust that is loud all the time?
Do you want an exhaust that has the best sounding boxer rumble?
Do you want an exhaust that isn't too loud for normal driving but want it to be loud with the pedal fully down?
Do you want an exhaust that your mrs will get upset with and make you remove?

Might make it a bit easier to give recommendations