TOP ECS Products Audi B8/B8.5 S4
ECS loves helping you make your car all it can be, that’s why we’ve put all our top performance parts for your Audi together in one place. This list, compiled by our Audi B8/B8.5 S4 gurus and designed by our fantastic R&D team, is everything you need to outfit your car with all those goodies you’ve wanted for your build. Let’s make your summer even more fun with all the best ECS Performance parts for your Audi.
Top Products from ECS
Audi B8/B8.5 S4 Quattro 3.0T
Audi B8.5 S4 / A4 S-Line Carbon Fiber Rear Diffuser
Hand-laid carbon fiber to upgrade your exterior styling
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Brand:
ES#:
3085916
Mfg#:
018359ECS01A
Build Your Own Audi B8/8.5 S4 3.0T Valved Cat Back Exhaust System - Stainless
Experience your driving passion with our ECS Valved Exhaust System and control your sound with our valved muffler design
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Brand:
ES#:
4488022
Mfg#:
008553ECS01
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Availability:
In Stock
In Stock
Kohlefaser Luft-Technik Intake System - Audi B8 S4/S5 3.0T
Engineered for dyno proven performance and show quality looks!
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Brand:
ES#:
2746454
Mfg#:
000931ECS01
Carbon Fiber Trunk Spoiler - Audi B8 A4/S4
Add a touch of style and real carbon fiber to your Audi
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Brand:
ES#:
2996602
Mfg#:
013868ECS01A
Carbon Fiber Front Lip Spoiler - Audi B8.5 A4/S4
Hand-laid carbon fiber to upgrade your exterior styling
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Brand:
ES#:
3046047
Mfg#:
013875ECS01A
Carbon Fiber Rear Diffuser - Audi B8 A4/S4 Pre-facelift
Hand-laid carbon fiber to upgrade your exterior styling
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Brand:
ES#:
3200799
Mfg#:
021532ECS01A
Audi B8/B8.5 S4 3.0T Center X-Pipe Kit
Eliminate the center resonator on your OE system for a more aggressive exhaust note
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Brand:
ES#:
3194900
Mfg#:
003029ECS01KT
Complete Drivetrain Mount Insert Kit - Audi B8 A4/S4/Q5
Decrease slop; Increase drivetrain rigidity and response!
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Brand:
ES#:
3097986
Mfg#:
008288ECS01KT1
Luft-Technik Intake System - Silicone Inlet - Audi B8 S4/S5 3.0T
Engineered for increased engine performance with show quality looks
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Brand:
ES#:
2992531
Mfg#:
007344ECS01
Carbon Fiber Front Lip Spoiler - Audi B8 A4 S-Line/S4
Hand-laid carbon fiber to upgrade your exterior styling
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Brand:
ES#:
3170969
Mfg#:
006364ECS01A
Carbon Fiber Grille Accent Set - Audi B8.5
Hand-laid carbon fiber to upgrade your exterior styling
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Brand:
ES#:
3569526
Mfg#:
018360ECS01KT
Performance Lightweight Flywheel Clutch Kit - Stage 2 Endurance
ECS Lightweight Flywheel with a Southbend Stage 2 clutch kit rated at 430ft/lbs
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Brand:
ES#:
2826504
Mfg#:
003886ECS01AKT4
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Availability:
Ships on Sep 25, 2026
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Ships on Sep 25, 2026
Performance Baffled Oil Catch Can System - Audi B8 S4/S5 3.0T
Keep your B8 S4/S5 3.0T intake tract clean and carbon free
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Brand:
ES#:
3142968
Mfg#:
016632ECS01KT
ECS Tuning Street Shield Aluminum Skid Plate Kit
Protect your vehicle's oil pan & electronic steering rack with this 4mm thick aluminum skid plate
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Fits B8 chassis A4/S4/A5/S5 models up to the 2012 model year
Fits B8 chassis A4/S4/A5/S5 models up to the 2012 model year
Brand:
ES#:
2771379
Mfg#:
003251ECS01AKTKT
Adjustable Short Throw Shifter
Find your perfect setting with 4 steps of throw reduction
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Brand:
ES#:
2842154
Mfg#:
004113ECS01A
Carbon Fiber Strut Tower Brace - Audi B8 A4/A5/S4/S5
Provides additional support to the strut towers for flex reduction to enhance your driving experience
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Vehicle must feature an M8 stud on the passenger shock tower for proper install. Please see product photo
Vehicle must feature an M8 stud on the passenger shock tower for proper install. Please see product photo
Brand:
ES#:
3195022
Mfg#:
008049ECS01KT
Carbon Fiber Mirror Cap Set - Audi B8 A4/A5/S4/S5
Upgrade your exterior look
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Brand:
ES#:
2816885
Mfg#:
010257ECS03KT
ECS Tuning Street Shield Aluminum Skid Plate Kit
Protect your vehicle's oil pan & electronic steering rack with this 4mm thick aluminum skid plate
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Fits B8 chassis A4/S4/A5/S5 models from the 2013 model year
Fits B8 chassis A4/S4/A5/S5 models from the 2013 model year
Brand:
ES#:
2771912
Mfg#:
003251ECS01AKT2
Performance Lightweight Flywheel Kit
A single mass flywheel engineered to handle more power, offering a 38% reduction in weight!
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Brand:
ES#:
2826499
Mfg#:
003886ECS01AKT
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Availability:
Ships on Sep 25, 2026
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Ships on Sep 25, 2026
Supercharger Inlet Kit - Carbon Fiber - Audi B8 S4/S5 3.0T
Replace the accordion throttle body hose with a smooth carbon fiber tube
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Brand:
ES#:
2836833
Mfg#:
000931ECS02AKT
Carbon Fiber Mirror Cap Set - Audi B8 A4/S4 - 8P A3
Upgrade your exterior look
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Brand:
ES#:
2816884
Mfg#:
010257ECS02KT
Front & Rear Brake Kit - Stage 1 - 2-Piece Cross Drilled & Slotted Rotors
Upgrade your brake system with 2-piece rotors and stainless steel lines
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Brand:
ES#:
2960509
Mfg#:
8K0698301MKT6
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Availability:
Ships on Dec 9, 2026
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Ships on Dec 9, 2026
ECS Tuning Transmission Street Shield Skid Plate Kit - Audi B8
Protect your vehicle's transmission pan with a 4mm thick aluminum skid plate
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Brand:
ES#:
3411961
Mfg#:
017881ECS01KT
Front 2-Piece Brake Rotors - Pair (345x30)
Direct bolt-on replacement - 25% less weight!
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Brand:
ES#:
2602983
Mfg#:
000690ECS01AKT
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Availability:
Ships on Dec 9, 2026
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Ships on Dec 9, 2026
Performance Lightweight Flywheel clutch Kit - Stage 2 Daily - Audi B8 S4/S5 3.0T
ECS Lightweight Flywheel with a Southbend Stage 2 clutch kit rated at 395ft/lbs
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Brand:
ES#:
2826503
Mfg#:
003886ECS01AKT3
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Availability:
Ships on Sep 25, 2026
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Ships on Sep 25, 2026
Carbon Fiber Engine Cover Kit - Audi 3.0T
Add a touch of carbon fiber to your stock engine cover!
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Brand:
ES#:
2999048
Mfg#:
015339ECS01
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Availability:
Ships in 9 Business Days
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Ships in 9 Business Days
Luft-Technik Intake Air Scoop - Audi B8 A4/A5/S4/S5
Extends farther down behind the grille to direct more air to the intake system
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Brand:
ES#:
3220796
Mfg#:
017429ECS01
Front & Rear Brake Kit - Stage 1 - 2-Piece Tru-Float Scalloped Brake Rotors
Upgrade your brake system with Tru-float scalloped drilled & slotted rotors and stainless steel lines
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Brand:
ES#:
2960542
Mfg#:
8K0698301MKT7
Audi B8 Carbon Fiber Side Blade Set
Add a touch of style made with real carbon fiber to your Audi
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Brand:
ES#:
3569275
Mfg#:
004093ECS01
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