Buick Chevrolet Oldsmobile Pontiac Component Speaker Kick Panels.Designed for larger and deeper drivers (up to a 6 1/2"). Grill not included. Included in Box: All mounting fasteners, hardware and trim pieces.Complete installation instructions.Installation Tips1-1/2-inch parking brake bend requiredSome models require relocation of factory computer (CPM).Notice the surface for the woofer is flat. Install up to a 6-1/2" woofer using woofer supplied grill and tweeter. Cut holes for your woofers and tweeters according to specifications as the size varies with manufacturers. This series has 1/2" deeper mounting space available to accommodate larger and deeper magnet structures.