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2003-2004 SVT Cobra Performance Packages

JMS was one of the first aftermarket tuners to start modifying the 2003 SVT Cobra Mustang with the supercharged 4.6L engine. We have built and tuned numerous high horsepower Mustang's ranging from 500 to over 750 RWHP, and we have used that knowledge to develop reliable horsepower packages using the same parts we install in our tech center for street, strip and open-track.


JMS 2003-2004 SVT Cobra Mustang Performance Power Packages are pre-engineered to be complete solutions for all types of drivers.  Our entry-level kits are easy to install and offer safe, reliable, and affordable performance you can count on every day while other JMS packages offer considerably more power.  Each JMS horsepower option uses only the components we endorse and use in our tech center, which means the customer gets the best technical support and proven results every time.


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