nitrous filter???
which size do i need...-4 to -4, 1/8 to -4 or 1/4 to -4????
it's a 5177 kit with a regular -4 feed line what looks like a run of the mill 15 lb. NX bottle.
http://www.nitrousoutlet.com/outlet/...1§ion_id=1
http://www.nitrousoutlet.com/outlet/...1§ion_id=1


