Not necessary unless your going with a supercharger. This has been stated by Tony himself.
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Cobb Tuned | Injen Intakes | Fast Intentions Long Tube Headers | Fast Intentions TDX Catback 18" Resonators CF Mufflers | Tommy Kaira Hebi Bebi Shift Knob | 19x9.5/19x10.5 Five Axis Design S5:F w/ 245/40/19 - 285/35/19 Hankook Ventus V12's
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