Not sure which 2003 Ford Focus Power Programmers & Performance Tuners are right for you? We have over 5642 customer reviews, with an average rating of 4.5, to help you find exactly what you're looking for. Here's what some of our customers have said:
"I installed my sct Flash Program on my 2003 Ford
Focus SVT about a week ago. When a drove my car afterward i could feel and immediate increase in power. My car now feels like it is where it should be in terms of performace.
The programmer was also very easy to use." —Charles K from Chester, PA bought a SCT SF3 Power Flash Programmer (49-State Legal) for a 2003 Ford Focus.