This is a question that has been debated for some time. Some people like me will say yes it will give you an increase in horse power and tourqe, but is it worth the amount of money for so little gain, maybe not. I like to upgrade and add on the basic bolt-on options but to really see or feel any difference you need to do these add-ons WITH a modified CPU or chip. Otherwise your just not going to notice any signifigant differance and won't truely be utilizing the add-ons. If you realy want to see significant changes in the cars HP & Torque, you need to add a supercharger or turbo with it's own stand alone CPU or piggy-back type of system. And that isn't cheap either.
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