The final race day features a few qualifying runs, then eliminations in head-to-head, no prep 1/8-mile drag racing. (Image/Power AutoMedia)

The Horsepower Wars $10K Drag Shootout returns for a third go-around.

In the $10K Drag Shootout, teams are given a vehicle, plus $10,000 to build the quickest drag car possible. Oh, and they have 10 days to do it.

Miss any of the other No Prep Edition episodes in this series? Click here.

The four teams race head-to-head on a no-prep track to decide a champion. The winning team gets $10,000 and keeps its car. The losers get nothing.

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After seven episodes, the third installment of the $10K Drag Shootout culminates in a dramatic, single-day race session.

The four teams head to the track for a final time, making frantic adjustments to try to squeeze every bit of performance from their rides.

Who wins? Who takes home $10K and their freshly-built race car? Watch below and find out in this final episode of the Horsepower Wars $10K Drag Shootout.