Top Mods for your B8 S4 3.0T
ECS loves helping you make your car all it can be; that's why we've put all the top-of-the-line performance parts for your Audi B8 S4 3.0T together in one place. This list, compiled by our own AUDI gurus, is everything you need to outfit your car with all those goodies you've wanted for your build. Let's make race season even more fun with all the best performance parts for your Audi B8 S4 3.0T!
Hand Selected By Our Team Of Enthusiast
For Your
Audi B8 S4 3.0T
Adjustable Damping Performance Coilover System - Audi B8/B8.5
Take control of your ride while going low with our sport-tuned coilover system!
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Brand:
ES#:
3478463
Mfg#:
025412ECS01
BR Series Coilover Suspension Kit
Featuring 30 levels of adjustment and performance spring rates and valving
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Brand:
ES#:
3521692
Mfg#:
S-07-BR
Bilstein B16 PSS10 Suspension System
Height adjustable suspension system offering adjustable compression and rebound to dial in for competition, comfort, or anywhere in between. World-famous Bilstein quality with a limited lifetime warranty!
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Brand:
ES#:
1844169
Mfg#:
48-147231
Sport Springs - Set
Unrivaled comfort and performance. Average lowering of 1.5"F 1.5"R
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We Price Match - Give Us A Call or Chat!
Brand:
ES#:
251841
Mfg#:
50361
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Availability:
In Stock
In Stock
Audi B8/B8.5 A4 And S4 Front And Rear Adjustable Sway Bar Kit
Reduce body roll and increase cornering speed
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Brand:
ES#:
4213431
Mfg#:
022846ECS01KT2
Full Density Line Front Control Arm Kit
Includes new control arms with Density Line control arm bushings, ball joints, and hardware
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Brand:
ES#:
3199717
Mfg#:
034-401-1045
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
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
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!
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Brand:
ES#:
3988103
Mfg#:
IEINCG2A
CTS Turbo Air Intake System - True 3.5" Velocity Stack
NEW UPDATED DESIGN! True 3.5″ intake for maximum airflow - 3.5" mandrel bent piping with huge 6″ velocity stack air filter!
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Brand:
ES#:
4017702
Mfg#:
CTS-IT-300R
IE Audi 3.0T Crank Pulley Upgrade Kit - 188mm
Increases supercharger RPM by 26% when paired with IE 57.5mm overdrive supercharger pulley
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Requires 57.5mm SC pulley and stage 2 dual pulley ECU tune
Requires 57.5mm SC pulley and stage 2 dual pulley ECU tune
Brand:
ES#:
4491703
Mfg#:
IEBAVJ7
APR Supercharger Dual Pulley Upgrade Kit
Dramatically increase horsepower and torque by increasing the rotational speed of the factory supercharger (Press-On SC Pulley)
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Stage II software is required to run any upgraded Pulley configuration and is sold separately - Please se
Stage II software is required to run any upgraded Pulley configuration and is sold separately - Please se
Brand:
ES#:
3634017
Mfg#:
MS100184
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Availability:
Ships on Jun 24, 2026
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Ships on Jun 24, 2026
VPS Heavy Duty Supercharger Belt Tensioner
Verstarkt Performance Systems bring to you the first high-performance supercharger belt tensioner solution - A MUST HAVE for any modified setup!
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Brand:
ES#:
4070698
Mfg#:
VPS-TEN-A001-BLK
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Availability:
Ships on Jul 13, 2026
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Ships on Jul 13, 2026
Core IE Performance ECU Tune - Includes TCU Tune & POWERlink Cable
Average gain of 104 horsepower and 85 lb-ft of torque on 91 Octane
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Perform tune in minutes from the comfort of your own driveway! Only available for purchase in the United States and Canada.
Perform tune in minutes from the comfort of your own driveway! Only available for purchase in the United States and Canada.
Brand:
ES#:
3706797
Mfg#:
IESOCGJ1TCU
Core IE Performance ECU Tune - With POWERlink Cable
The perfect entry point for a stock car, delivering a massive Stage 1 power bump with no additional hardware required.
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Perform tune in minutes from the comfort of your own driveway! Only available for purchase in the United States and Canada.
Perform tune in minutes from the comfort of your own driveway! Only available for purchase in the United States and Canada.
Brand:
ES#:
3579483
Mfg#:
IESOCGJ1
No longer available
Apex IE Performance ECU Tune - Includes TCU Tune & POWERlink Cable
Average gain of 131 horsepower and 136 lb-ft of torque on 91 Octane
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Perform tune in minutes from the comfort of your own driveway! Only available for purchase in the United States and Canada.
Perform tune in minutes from the comfort of your own driveway! Only available for purchase in the United States and Canada.
Brand:
ES#:
3706799
Mfg#:
IESOCGJTCU
Audi B8 S4/S5 3.0T Performance Throttle Body Upgrade
Unleash the true potential of your supercharger!
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10X Entries For Our Spin To Win Sweepstakes!
Brand:
ES#:
4382060
Mfg#:
007911LA02KT
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.
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* Existing IE Dual Pulley Upgrade Required *
* Existing IE Dual Pulley Upgrade Required *
Brand:
ES#:
3647325
Mfg#:
IEINCG3
Audi B8 S4/S5 Pre-Facelift Luft-Technik Performance Supercharger Intercooler Kit - Without ADS
Reduce restrictions and increase cooling! Whether you call it an intercooler, a heat exchanger, a radiator, or something else - this is the product for you.
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Brand:
ES#:
4305066
Mfg#:
025496ECS01KT2
Audi B8 S4/S5 Pre-Facelift Luft-Technik Performance Supercharger Intercooler Kit - With ADS
Reduce restrictions and increase cooling! Whether you call it an intercooler, a heat exchanger, a radiator, or something else - this is the product for you.
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Brand:
ES#:
3569216
Mfg#:
025496ECS01KT1
APR Coolant Performance System
Drastically reduces intake air temps (IAT), minimizes heat soak, and provides increased performance!
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*Pre-faclift models (up to 2012) require Fit Kit - Please see Fit Kit MS100136 or ES3219342 for a complet
*Pre-faclift models (up to 2012) require Fit Kit - Please see Fit Kit MS100136 or ES3219342 for a complet
Brand:
ES#:
3219341
Mfg#:
MS100127
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Availability:
Ships on Jul 2, 2026
Ships on Jul 2, 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
APR Upgraded Ignition Coil - Red - Set of Six
Designed to be a direct plug-and-play upgrade to factory coils, providing greater energy output, ensuring a stronger and more consistent spark!
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Brand:
ES#:
4376586
Mfg#:
MS100208-6KT
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
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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10X Entries For Our Spin To Win Sweepstakes!
Brand:
ES#:
4488022
Mfg#:
008553ECS01
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Availability:
In Stock
In Stock
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
B8 S4/S5/Q5 3.0T Downpipes With Integrated X-Pipe
Change the tone of your 3.0T exhaust with easy-to-install downpipes that mate to your factory cat-back exhaust.
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Brand:
ES#:
4376068
Mfg#:
012616LA01KT
2.5" Performance Downpipe Set
For substantial power gains, improved exhaust flow and a more throaty sound!
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Brand:
ES#:
3557460
Mfg#:
CTSEXHDP0017
IE B8 3.0T Performance Downpipes
Quick and easy way to add horsepower and an aggressive sound! 304 stainless steel 2.5" tubing.
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Brand:
ES#:
3470770
Mfg#:
IEEXCG2