I have the 18" resonators with cf mufflers and FI long tubes and theres no rasp.. there will be some drone depending on which setup you go with.. you planning on getting HFC's or catless? if so go 18" resonators. if your planning on keeping the stock cats then get 12" and youll be fine.. Either way you choose i think youll be happy with the result.
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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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