Make Your Wish List Come True | B8 S4 3.0T
Give your Audi upgrades it deserves that your wallet (or significant other) won�t fight. This is our list of the top performance parts to improve your Audi on a budget so you don�t have to compromise between building the car you picture in your head and saving money for your future. Check out our selection of suspension, software, exhaust, intake, visual upgrades, and more, all designed to fit your Audi and your budget.
Make Your Wish List Come True | B8 S4 3.0T
Fits:
B8 S4 3.0T
2.5" Performance Downpipe Set
For substantial power gains, improved exhaust flow and a more throaty sound!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
3557460
Mfg#:
CTSEXHDP0017
ECS Tuning Street Shield Aluminum Skid Plate Kit
Protect your vehicle's oil pan & electronic steering rack with this 4mm thick aluminum skid plate
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
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
ECS Tuning Street Shield Aluminum Skid Plate Kit
Protect your vehicle's oil pan & electronic steering rack with this 4mm thick aluminum skid plate
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
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
Carbon Fiber Mirror Cap Set - Audi B8 A4/S4 - 8P A3
Upgrade your exterior look
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
2816884
Mfg#:
010257ECS02KT
Carbon Fiber Mirror Cap Set - Audi B8 A4/A5/S4/S5
Upgrade your exterior look
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
2816885
Mfg#:
010257ECS03KT
Carbon Fiber Trunk Spoiler - Audi B8 A4/S4
Add a touch of style and real carbon fiber to your Audi
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
2996602
Mfg#:
013868ECS01A
Audi B8.5 S4 / A4 S-Line Carbon Fiber Rear Diffuser
Hand-laid carbon fiber to upgrade your exterior styling
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
3085916
Mfg#:
018359ECS01A
Carbon Fiber Grille Accent Set - Audi B8.5
Hand-laid carbon fiber to upgrade your exterior styling
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
3569526
Mfg#:
018360ECS01KT
Master LED Interior Lighting Kit
Transform your complete interior in minutes with new LED interior bulbs from Ziza
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
2210291
Mfg#:
B8S4LEDINT
This product has been superseded to
ES#4352960
Performance Front & Rear Brake Service Kit - (NO LONGER AVAILABLE)
Featuring ECS GEOMET® Drilled & Slotted rotors and EBC RedStuff pads
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
3028729
Mfg#:
8K0301MXSGMTKT2
No longer available
Carbon Fiber Front Lip Spoiler - Audi B8.5 A4/S4
Hand-laid carbon fiber to upgrade your exterior styling
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
3046047
Mfg#:
013875ECS01A
This product has been superseded to
ES#4070773
P3cars OBD2 Multi Gauge
Powerful plug-and-play multifunction display with red/white text - Now includes Track Pack software
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
2568699
Mfg#:
P3AB8L
No longer available
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
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
3142968
Mfg#:
016632ECS01KT
Carbon Fiber Front Lip Spoiler - Audi B8 A4 S-Line/S4
Hand-laid carbon fiber to upgrade your exterior styling
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
3170969
Mfg#:
006364ECS01A
Carbon Fiber Rear Diffuser - Audi B8 A4/S4 Pre-facelift
Hand-laid carbon fiber to upgrade your exterior styling
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
3200799
Mfg#:
021532ECS01A
IE B8 3.0T Performance Downpipes
Quick and easy way to add horsepower and an aggressive sound! 304 stainless steel 2.5" tubing.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
3470770
Mfg#:
IEEXCG2
Adjustable Damping Performance Coilover System - Audi B8/B8.5
Take control of your ride while going low with our sport-tuned coilover system!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
3478463
Mfg#:
025412ECS01
Audi B8 Carbon Fiber Side Blade Set
Add a touch of style made with real carbon fiber to your Audi
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
3569275
Mfg#:
004093ECS01
No longer available
APR Open Carbon Fiber Intake System
APR's ultimate intake system for the 3.0 TFSI
Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
3579697
Mfg#:
CI100037
EO#:
D-782-8
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Availability:
In Stock
In Stock
Audi B8/B8.5 S4 Trunk Spoiler - Gloss Black
Add some aggressive styling to your Audi!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
3619834
Mfg#:
026861ECS01
Throttle Body Upgrade Kit
Remove the final power restriction on your 3.0T with an over 20% higher flowing throttle body, fully releasing the complete power potential from your factory supercharger.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!
* Existing IE Dual Pulley Upgrade Required *
* Existing IE Dual Pulley Upgrade Required *
Brand:
ES#:
3647325
Mfg#:
IEINCG3
Kohlefaser Luft-Technik Intake System - Red Carbon/Kevlar - Audi B8 S4/S5 3.0T
Engineered for dyno proven performance and show quality looks!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
3648559
Mfg#:
000931ECS0102KT2
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Availability:
Ships on Sep 4, 2026
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Ships on Sep 4, 2026
IE Cold Air Intake System
Add horsepower, torque, sound, and throttle response to your B8/B8.5 S4/S5 - Featuring all new aluminum inlet pipe!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
3988103
Mfg#:
IEINCG2A
Solid Rear Sway Bar - 25.4mm
Substantially reduce understeer and body roll
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
2996586
Mfg#:
034-402-1005
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
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
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