Rep Power: 276

ok. so im looking to upgrade my audio setup in my 01 sedan. im looking to get polk audio db6750 in the rear. now im confused cuz on cardomain store it says they would fit but on crutchfield.com says they do not. someone here is lying lol. but seriously guys, i dont want surprises and i need ur help. any feedback appreciated.

 
Rep Power: 0

you might just need some spacers

sometime crutchfield says something wont fit but they can
ie: double din head units

 
Rep Power: 302

you need a spacr becsue i am doing mine in the next week same speaker

 
Rep Power: 276

where do i get the spacer at, bro?