im really stuck on witch back box to go for i have a miltek at mo but not as loud as i want. please any one go there idea of the best out there. c\obra is nice but maybe just to loud what do you think about ninja 2 is it loud thanks any help welcomed

 

ninja 2 is a great sounding bacbox..as is the afterburner vortex take a look on youtube

 

Mate, if you want loud, there's nothing louder I've heard than a full Blitz Nur Spec R decat system.
Nothing else compares - the afterburner and Ninja won't get close.