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2003 Ford Mustang Performance Chips & Programmers

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Latest Customer Reviews

Hypertech Speedometer Calibrator Reviews


great item

Reviewed By stanley k (Hillsborough, NJ) Reviewed for a 2003 Ford Mustang —10/16/2009 9:28 AM

works great, simple o use. thanks

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Jet Performance Module Reviews


Joey Jewels

Reviewed By Joseph A (Ormond Beach, FL) Reviewed for a 2003 Ford Mustang —1/25/2008 9:00 AM

Pretty good buy. Chip works pretty good. Stiffer acceleration and smoother gear shifts

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SCT X4 Power Flash Programmer (49-State Legal) Reviews


Can't live with out it!!!

Reviewed By Paul D W (Blanca, CO) Reviewed for a 2004 Ford Mustang —8/17/2016 10:13 PM

The SCT X4 has alot more tuneing capeabilitys I tryed a superchips flash programmer i needed to open up the speed limitor and the revlimitor plus i needed to tune for 25lb ford racing fuel injectors and a 80mm throttle body Superchips could not handle any of this after calling service thay told me that most flash programers are made for stock cars and engines I have a full race 9000rpm motor the SCT X4 will need a custom tune for the speed and rev, limitor the SCT X4 Has a injector tune built in

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