Hey guys I have been reading your posts and was after some help to make 300 in my 6 auto bf . I have modified the exhaust by cuting the middle muffler out , k&n pannel filter and new cooler (400 wide 200high and 80mm thick) would like it to be a safe tune as well as its a daily. also any known tuners in sydney that can be recomended any help would be muchly apreciated .