Reviewed By Joseph A. O (Tomball, TX) Reviewed for a 2011 Toyota Sienna —9/29/2014 12:02 PM
Added adjustable air springs to the rear coils, reduced body roll in curves by 50%, eliminated hitting bump stops over speed bumps and now have limo smooth freeway ride. HIGHLY RECOMMENDED INSTALL...with tips at the SiennaChat/Forum site under Generation III, Modifications tab. This system allows you to easily modify for load, or trailer, or personal stiffness preference. Best 100 bucks you will spend on your Swagger Wagon !