It's better not to use more than 35w ballast due to its closed design. The extra heat captured inside the shroud might damage the shroud after some time. But i've heard some people still using 55w ballast with the stock shroud.
I just bought a pair of Airhorn from kedai ptong.......problem is i cannot locate the original place of the horn......n is it just plug n play with the original horn.......do i need an additional relay in order to...