Hennessey Custom-Tuned Flex Programmer +34 HP
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Hennessey Custom-Tuned Programmer Gains 34 HP! Custom-tuned SCT programmer by Hennessey Performance is pre-loaded with a dyno-proven tune for your Flex Ecoboost to gain an instant 30+ HP. Boost is increased from 11 psi to 13.5 psi and proper adjustments are made to maximize your gains safely and efficiently. Note: Not California emissions compliant (for off-road use only). |
