Thinking of doing it your self? Aerpro has the parts you desire to get the job done. From Sub Woofer box ports to drill bits we have it. all.
826901 Speaker adaptor plates - No longer available from wholesaler
These plates allow you to replace existing 6x9 speakers with 5.25 to to 6.5" " & separate Tweeters into the same location.
Product is no longer for sale and has been Discontinued from production.