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Horsepower ideas. 2003 XLT 4.6
looking for a few ideas to increase horsepower for my expy. Got flomaster 50 series, had cold air intake but removed because not very noticeable. Cats have been "slightly deleted". Looking into headers, programming, tune up, and other options. Anyone that is pushing some horses and has tried...- FloGrown
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- Replies: 6
- Forum: 2nd Gen - 2003 - 2006
