[BLACKBIRDSR71]

Originally Posted by BimmeRCK

For Sure! If you do not have the tweeters right now the difference is already pretty big just by adding them. I upgraded my door speakers with the HK ones and added the HK tweeters. Sounds is projected through the car way better.

Pretty easy and satisfying upgrade, with the right tools to take the door card off you'll be done under 20 minutes (for F21). Just take in account the F20 needs the entire inner window sill changed since the tweeter cover is attached to that. For F21 it is just the tweeter cover.

Thanks!