Hey mate, I have been running the skunk2 megapower system ($950) and it sounds perfect I love it to death! And as for intake ignore arc completely ($800+, not 100% sure), get gruppem if you want a bling looking engine bay ($1000) or injen cai ($350 from the US) if you want a great sound and great performance. Ignore the massive price difference it's only because gruppem is a carbon fiber air box with little mechanisms and pieces of alloy that tunnel airflow, where injen is just simple power through a pipe. Can't go wrong