Got a 300w amp running a pair of Kenwood 5¼" mid bass and to a pair of infinity 1" tweeters through Infinty passive crossovers. This set up has worked fine for ages in the Fiesta but upon installing the setup into the Audi it appears the tweeters are past their prime. Any suggestions on what I should replace them with?

Don't want to spend loads as it's only a system for the runaround.