Intake, UD cran pulley, custom SCT X-cal2 tuner, dual exhaust, gears with t-lok. Those mods will give you the best bang for the buck.
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Justin Starkey
2006 F250 CC 4x4 6.0L - 14.3@93
2000 Mustang 3.8 A4 - VMP TT Kit 450RWHP/475RWTQ@17psi & 10.9@127.8 1.74 60ft@17psi stock motor
Wife's car 2006 Mustang 4.0L M5 Vortech 14psi 350rwhp
http://www.vmptuning.com - Mobile Dyno-jet 224x, custom SCT Tuning
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