RS-R Down SUS Lowering Springs for 2011+ M37/Q70 RWD (N281D) 17365 Every one of our assist

Every one of our assist springs compress to the exact same height

CARB EO applies to model years 2008-2014 only

This mounting kit can be the upgrade from the rubber mounts if you are looking for a more rigid driving experience

CNC Machined Turbo Flanges - optional choices

2% efficiency rating

RS-R Down SUS Lowering Springs for 2011+ M37/Q70 RWD (N281D) 17365 Every one of our assistThe Superdown provides a lowered stance and improved handling to fulfill your needs to lower your car and improve its handling. 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. RS R is here with excellent products that are available at a competitive price. The company does its utmost