Enhanced Cross Bars: 220 lbs of Aluminum Power, No Compromise! Upgrade Your Buick Enclave Elevated Roof Racks VS Roof Racks Sunroof can be open smoothly? Increased clearance between crossbars and the Sunroof can open smoothly VS - Sunroof can be open smoothly? Affect the opening of the front sunroof Fitment 2018-2024 Buick Enclave VS - Fitment 2018-2024 Buick Enclave Load Capacity 220LBS VS - Load Capacity 220LBS Mounting Type BOLT ON VS - Mounting Type BOLT ON DIY-Reduce Wind Noise Wrap A Cord Around The Cross Bar If you hear a slight humming noise from roof cross bars then wrap some black paracord diagonal around the crossbars.This faint noise is from any cross bars,not specific to these cross bars,its just happens sometimes with cars when the wind goes go over the cross bars. Quiet Down Your Roof Racks It's the same concept, if you have a car antenna you will see a slight cord style wrapping around the car antenna which disrupts air flow to eliminate noise.