Maintain proper suspension geometry when cornering and reduce rear subframe movement
Maintain proper suspension geometry when cornering and reduce rear subframe movement
Lock down your B9 Audi's chassis and eliminate rear subframe flex with CTS Turbo’s billet aluminum insert set, delivering sharper handling and instant power transfer with minimal NVH.
Staged handling upgrades to best optimize the handling performance of the Audi S4 or S5!
Suspension crossmember insulator suspension crossmember, left or right
This product was last offered at the strikethrough price on
05-02-2026
Precision-machined billet aluminum rear subframe inserts that eliminate unwanted chassis flex and sharpen the handling of your B9 Audi.
Sharpen handling and lock down your Audi B9 or B9.5's chassis by eliminating rear-end slop with this premium billet aluminum subframe insert kit.