The 11+ STP comes with 30mm front and 20mm rear sway bars. Mopar bars are 32mm/22mm.
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2012 Charger R/T Road & Track w/ STP & Heritage Wheels
3.91 Getrag, Solo Exhaust, DS 91 Tune, JET 180* T-Stat, SX Front and Rear STB, SX Catch-can, Mopar Pedals, Shifter, Door Sills, and Chin Spoiler, Custom 345 Badges