What is Alpha Boost in Rocket League, and why is it so expensive? - WIN.gg
How to get Rocket League Alpha Boost: Item cost & rarity explained - Dexerto
How to Get Alpha Boost in Rocket League
Rocket League: How To Get Prix Alpha Boost & Items | EarlyGame
Alpha Boost in different colors! - I've somehow managed to swap the Flamethrower boost sprites with Gold Rush sprites resulting in pretty beautiful rocket trails : r/RocketLeague