salAMZ .....
jUST weNT tO thE shOP fROM wHere i installed my system and asked if 718 will come with out the box sheet ... hE said it is not possible for 718 to come in a factory fitted cNG cOURe......
thE guy there told me that u may install rings of about 4 inches to raise the speaker from touching the magnet from cng cylender and the soUnd will also be not good ... and then it is possible that v dont install sheet of box