Review on π Optimize Performance Chip/Power Programmer for Ford F-250, F-350, F-450 & F-550 Super Duty 6.0L PowerStroke Turbo Diesel - Enhance Fuel Efficiency, Conserve Gas & Boost MPG, Amplify HP & TQ! by Justin Torres
Out of Service Lost 8 MPG
Plugged it in as instructed, left it overnight with the battery disconnected, plugged it in for a week in the morning while driving, saw no improvement in performance and my fuel economy went from 16 to 8 after plugging in, not at all happy with my advice . don't waste money
- All High Performance Chips are proudly backed by our unbeatable 100% money back guarantee and lifetime warranty! A properly maintained vehicle is required for a performance chip to function and be advertised properly. Results may vary.
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