** Will not fit 2015 TRD Pro models** Will work with Bilstein (yellow) factory front struts on 2014-2015 models.** Some welding required.** Factory 18" wheels cannot be installed. Factory 20" wheels with more than 6.25" BS cannot be installed. ** Vehicles equipped with a two piece rear driveshaft and carrier bearing will require carrier bearing drop kit ZONT5409. ** Some 2WD models may require rear driveline modification.