Replaced the air filter this weekend. Cover (w/5 clamps) did not want to fit flush no matter how many times I adjusted it. Is this supposed to fit flush or can it be elevated a little bit as long as the clamps are fastened tightly ???

__________________
1998 C230
1994 Infiniti J30T
1984 BMW 318i
1987 VW Golf GT
1975 Buick LeSabre Conv.