1999 Mustang Two-Valve Bolt-Ons - Preparation HP
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To dial in the air/fuel and timing for the intake and exhaust upgrades, we had DiabloSport send over one of its Predator handheld tuners. At least a few ponies should be in the cards by switching from the conservative factory 87-octane tune to a raunchy 93-octane tune. View Related Article
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