a 50 shot on a stock engine wont be worth the buck $$$ but unless you have pretty mods under the hood like sparks/wires, injectors, fuel pump.. blah blah blah... then the 50 shot would be worth it.....
besides with these mods you'll be able to get more outta your engine cuz its using more fuel, getting more air... burning it better will therefore increase the performance of the car.....
but on a stock engine wont be worth it at all..
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