Suspension upgrades refer to modifications made to a vehicle's suspension system, which includes components like springs, shock absorbers, and struts. These upgrades can improve handling, ride comfort, and overall vehicle performance. Common types of upgrades include installing coilovers, performance shocks, or sway bars to enhance stability and control during driving. Upgrading the suspension can also help accommodate larger tires or improve off-road capabilities. Many enthusiasts choose suspension upgrades to achieve a specific look or to enhance their vehicle's ability to handle various terrains. Proper installation and tuning are essential for maximizing the benefits of these upgrades.