* Will not fit 2016 TRD Pro models (Bilstein Piggyback Strut)* Will work with Bilstein (yellow) factory front struts on 2014-2016 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.