Why send speed cards to garage?
There is probably already another topic similar to this, but I couldn't find it between all the topics requesting Online Free Roam and Free Roam cops, which are also something that should be implemen...
Forum Discussion
You're right, sending cards to garage is useless, also is selling them for $ (prices are too low regarding what you can earn from a race).
If you don't want to equip them when you earn them, you probably won't ever do.
Then, the only valuable option is convert them to tokens that can be used with any of your cars.
