My first 'mod' to my dd was brakes, though it was in a series of maintenance mods. If other stuff fails, usually it's "eh, I can still get home etc." such as suspension. A car with blown shocks for instance is still completely drivable.
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ASE: Brakes
Yea..that very well could have been the most retarded idea I've ever heard, but .. do it anyway. -TheShow50h