After they finished banging around under my car, I went home and checked to make sure they hadn't done anything stupid. I now have oil dripping onto my driveway from the skid-plate under the engine. Instead of saving $20 over what the dealership wanted, I have to take my brand-new car in to make sure it's not seriously screwed up now. Spend the extra money and time at the dealership to avoid the headache.
Pros: Quick
Cons: Unsatisfactory Work Quality; Poorly trained crew
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