i dont really havea clue about this but wanted to check it out, need to learn
im running 17s on my gp if that makes any difference.
how do i check what it is now and find out what it should be, is the free air thing at shell ok to use?
im running 17s on my gp if that makes any difference.
how do i check what it is now and find out what it should be, is the free air thing at shell ok to use?