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Audi B8 S5 ECS Stage 4 Front Big Brake Kit

Bring radical RS performance to your B8 S5 with the new ECS assembled Stage 4 Big Brake Kit.

Brembo developed the RS5 calipers specifically for Audi, choosing an exotic 8-piston arrangement shared with the Lamborghini Gallardo.

To take it a step above our Stage 3 Kits, we’ve upgraded to massive 380mm ECS 2-Piece Cross Drilled and Slotted Brake Rotors for a superb rotor sizing upgrade!

Paired with ECS Exact-Fit Stainless Steel Brake Lines, and Hawk HPS pads, and you effectively have the most elegant, forceful brake arrangement on the road today.


RS Performance

Fits:
Audi B8 S5 (2008+)

Front Big Brake Kit - Stage 4 - 2-Piece Rotors (380x34) - (NO LONGER AVAILABLE)
Featuring Red RS5 8-piston calipers, ECS stainless steel lines & Hawk HPS pads
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 2739887
Mfg#: 003883ECS01KT
No longer available
Front Big Brake Kit - Stage 4 - 2-Piece Rotors (380x34)
Featuring Black RS5 8-piston calipers, ECS stainless steel lines & Hawk HPS pads
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Please download the installation template to confirm this brake kit will fit behind your factory or after
Brand: ECS - Corporate Logo
ES#: 2785042
Mfg#: 003883ECS02KT

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Availability:
Ships on Oct 16, 2026
$4328.99 USD
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This product is lifetime replacement eligible Partial Replacement

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