The real question is, how far will your odometer be off if you put on 235/50-17s. Go to
www.tirerack.com and they will show you what a correct size tire is for plus 1 applications on the TL. Also, I believe the CL-S rims are 7.5" in width and the TL-S rims are 7". But I am not 100% sure.
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Comptech Icebox, Headers, Exhaust, Lowering Springs and Sway Bars. Mugen front grille. Inspire tailamps. MOMO Sport 18 X 7.5 +42 offset. Axxis Metal Master front/rear pad. 2 Polk/MOMO 10" subs, Orion Xtreme 500.4 amplifier and Alpine CD changer.