Crossword Genius

Decrepit cars from '98 catch up (7)

Ross

I believe the answer is:

bangers

I'm a little stuck... Click here to teach me more about this clue!

'decrepit cars' is the definition.
The answer and definition can be both man-made objects as well as being plural nouns.
Perhaps you can see a link between them that I don't see?

I cannot understand how the remainder of the clue works.

Can you help me to learn more?

(Other definitions for bangers that I've seen before include "explosives?" , "Loud fireworks" , "Crates" , "Sausages" .)

I've seen this clue in The Telegraph.
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