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ECS Stage 1R

ecs stage 1 rear brake kit for a %make% %model% %submodel% %engine%

ECS Stage 1 Rear

Running big brakes on the front of your S4? Still running the undersized stock 10.1" rear rotors? The ECS Stage 1 rear upgrade for B5 S4 replaces the heavy single piece stock rotor with a 12.1" light weight ECS "Tru Float" 2 piece rotor. Improved clamping leverage increases brake torque, improves pedal feel and reduces rotor temperatures. The ECS Stage 1 Rear kit for B5 S4 includes 12.1" (306mm) slotted or cross-drilled/slotted rotors, caliper carrier relocation brackets and bolts, vinyl coated stainless-steel brake lines and banjo bolts.

Because of the increased braking force created with this kit, ECS recommends that it only be installed in conjunction with a front big brake kit. (bias and brake torque comparisons with this kit and other big brake kits can be found under the learn more section)

Rotors Calipers Pads Fitment
12.1" light weight 2 piece floating (306x22mm) OEM Stock - single piston floating with ECS carrier bracket OEM OEM 16" or larger (note because the caliper is moved outward "deep dished" wheels may require spacers)