AutoPly Interior Insulation Kit for Mercedes Sprinter High Roof 170" Extended Wheelbase R2 (.5") Model 3000VX RM 78 11 132 Bodies Round Sidebars Model 201800 Quick Pin Couplers Round Sidebars Model 201800 TrailFX ® Extreme Grille Guards are designed with heavy duty use in mind and engineered to provide the maximum front end coverage for the headlight and grille areas of your truck FiberPly provides excellent sound absorption while helping regulate interior temperatures by reducing heat in summer and retaining warmth in colder conditions Wide Temperature Tolerance: Designed to withstand installed temperatures from 40°F to 250°F