hi guys
if i use these stuff do i need to change the factory fitted battery to run them or
will they work fine without changing or adding anything.
1.components- PIONEER TS A1702C
2-bach speakers- KENWOOD 718
3- 4channel amp for component and back speakers- VTREK 4ch(2000Watt)
4-woofers- 2pioneer 308d2
5-amp for woofer- VTREK PS 3000