Agreed if I want to wash polish and wax my own car then I pissing will I pay road tax insurance and all the rest of it I don't wanna be paying to clean my car when I've got all the stuff i need in my garage
Deffo run an amp mate your normal stereo load won't be able to cope with it so it start to damage your sub and prob blow your head unit if it's asking for enough power
It's all chance mate depends how much u trust your engine I ran mine at 1.8 bar for years with standard mani and mine still going strong and now running tdo4 at a bar