RS-R TI 2000 Down Sus Springs 2011-2020 Toyota Sienna AWDThe RS R Down Sus Lowering Springs provides a mild drop and improved handling for drivers who are looking to lessen the fender to wheel gap on their 2011 2020 Toyota Sienna AWD. Taking into consideration the factory suspension geometry, shock dampening, spring rate and ride height levels, RS R ensures that the springs you are getting were made for your car both for performance and for comfort. Specifications: Approximate Drop: Front 40mm to 45mm ( 1.