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Your Vehicle Audi RS7 4.0T

Top ECS Products for your Audi B8 S4 3.0T

The Audi B8 S4 has become one of the most popular Audis to upgrade, tune, and personalize. With a plethora of options available, how do you choose what to do next?

Each of the following parts have become extremely popular by fixing, fine tuning, or enhancing the performance and appearance of your S4.

We have hand selected our top ECS products specifically for your S4


ECS Top Products

Fits:
Audi B8 S4 (2010-2016)

This product has been superseded to ES#2746454
Kohlefaser Luft-Technik Intake System
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: ECS - Corporate Logo
ES#: 3098755
Mfg#: 000931ECS01KT
No longer available
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!

Fits B8 S-Line models only up to the 2012 model year
Fits pre-facelift (up to 2012) A4 S-line / S4 models only
Brand: ECS - Corporate Logo
ES#: 3170969
Mfg#: 006364ECS01A

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Availability:
In Stock
On SALE Save 10%
$856.99

This product was last offered at the strikethrough price on
05-02-2026

$771.29 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
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
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 3194900
Mfg#: 003029ECS01KT

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Availability:
In Stock
On SALE Save 25%
$458.99

This product was last offered at the strikethrough price on
06-13-2026

$344.24 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
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 up to the 2012 model year (pre-facelift)
Fits B8 chassis A4/S4/A5/S5 models up to the 2012 model year
Brand: ECS - Corporate Logo
ES#: 2771379
Mfg#: 003251ECS01AKTKT

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Availability:
In Stock
On SALE Save 10%
$416.99

This product was last offered at the strikethrough price on
06-13-2026

$375.29 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
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 from the 2013 model year (Facelift)
Brand: ECS - Corporate Logo
ES#: 2771912
Mfg#: 003251ECS01AKT2

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Availability:
In Stock
On SALE
$416.99

This product was last offered at the strikethrough price on
06-13-2026

$396.14 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
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
Brand: ECS - Corporate Logo
ES#: 3195022
Mfg#: 008049ECS01KT

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Availability:
In Stock
On SALE
$355.99

This product was last offered at the strikethrough price on
06-13-2026

$345.31 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
Adjustable Short Throw Shifter
Find your perfect setting with 4 steps of throw reduction
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 2842154
Mfg#: 004113ECS01A

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Availability:
In Stock
On SALE
$471.99

This product was last offered at the strikethrough price on
06-13-2026

$448.39 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
Carbon Fiber Engine Cover Kit - Audi 3.0T
Add a touch of carbon fiber to your stock engine cover!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 2999048
Mfg#: 015339ECS01

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Availability:
Ships in 10 Business Days
Auto Notify
On SALE Save 10%
$406.99

This product was last offered at the strikethrough price on
06-13-2026

$366.29 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
Paddle Shifter Extension Set - Carbon Fiber - Audi B8/8V/C7
A clamp-on style carbon fiber upgrade featuring a high gloss finish
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

For B8 Facelift models, 8V Pre-Facelift models and C7 models - Equipped with OEM paddle shifters
Brand: ECS - Corporate Logo
ES#: 3437461
Mfg#: 015590ECS01KT

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Availability:
Ships on Aug 28, 2026
On SALE
$289.99

This product was last offered at the strikethrough price on
06-13-2026

$281.29 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
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!

Fits S4/S-Line bumpers from the 2013 model year
Brand: ECS - Corporate Logo
ES#: 3085916
Mfg#: 018359ECS01A

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Availability:
In Stock
On SALE Save 10%
$1019.99

This product was last offered at the strikethrough price on
06-13-2026

$917.99 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
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!

Fits B8 pre-facelift (up to 2012) A4 S-line / S4 models only
Brand: ECS - Corporate Logo
ES#: 3200799
Mfg#: 021532ECS01A

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Availability:
In Stock
On SALE Save 30%
Limited Qty Sale
$999.99

This product was last offered at the strikethrough price on
05-02-2026

$699.99 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
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!

For S-Line models from the 2013 model year (Facelift)
Brand: ECS - Corporate Logo
ES#: 3046047
Mfg#: 013875ECS01A

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Availability:
In Stock
On SALE Save 15%
$999.99

This product was last offered at the strikethrough price on
06-13-2026

$849.99 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
Front & Rear Brake Kit - Stage 1 - 2-Piece Cross Drilled & Slotted Rotors
Upgrade your brake system with 2-piece rotors and stainless steel lines
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 2960509
Mfg#: 8K0698301MKT6

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Availability:
Ships on Dec 8, 2026
Auto Notify
On SALE
$1975.99

This product was last offered at the strikethrough price on
06-13-2026

$1877.19 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Partial Replacement
Performance Lightweight Flywheel Clutch Kit - Stage 1
ECS Lightweight Flywheel with the Southbend Stage 1 clutch kit rated at 350ft/lbs *South Bend Stage 1 Kits NLA - Find Replacement*
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 2826501
Mfg#: 003886ECS01AKT2
No longer available
Front Big Brake Kit - Stage 4 - 2-Piece Rotors (380x38) - (NO LONGER AVAILABLE)
Featuring Red 19Z 6-piston Porsche calipers, ECS stainless steel lines & ECS 2-piece cross drilled & slotted rotors
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Pads not included - Select your own that best suits your driving style
Brand: ECS - Corporate Logo
ES#: 2825794
Mfg#: 003755ECS01A01KT
No longer available
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!

For B8 chassis vehicles with an integrated trunk spoiler
Brand: ECS - Corporate Logo
ES#: 2996602
Mfg#: 013868ECS01A

Choose how many gift cards you would like below. You can set the denomination in your cart during checkout.

Availability:
In Stock
On SALE Save 36%
Limited Qty Sale
$626.99

This product was last offered at the strikethrough price on
05-02-2026

$400.99 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
Luft-Technik Intake System - Carbon Fiber Inlet - Audi B8 S4/S5 3.0T
Engineered for increased engine performance with show quality looks
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 3098775
Mfg#: 007344ECS02KT
No longer available
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: ECS - Corporate Logo
ES#: 2816885
Mfg#: 010257ECS03KT

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Availability:
In Stock
$381.99 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
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: ECS - Corporate Logo
ES#: 3569526
Mfg#: 018360ECS01KT

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Availability:
In Stock
On SALE Save 10%
$630.98

This product was last offered at the strikethrough price on
06-13-2026

$567.88 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
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: ECS - Corporate Logo
ES#: 3142968
Mfg#: 016632ECS01KT

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Availability:
Ships in 1 Business Day
On SALE Save 20%
$682.99

This product was last offered at the strikethrough price on
06-13-2026

$546.39 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
Complete Drivetrain Mount Insert Kit - Audi B8 A4/S4/Q5
Decrease slop; Increase drivetrain rigidity and response!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 3097986
Mfg#: 008288ECS01KT1

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Availability:
Ships in 5 Business Days
On SALE Save 25%
$313.99

This product was last offered at the strikethrough price on
06-13-2026

$235.48 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
Front & Rear Exact-Fit Stainless Steel Brake Lines - Kit
Complete set of DOT-compliant lines for an improved pedal feel
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 1899278
Mfg#: ECS41016/63

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Availability:
In Stock
On SALE
$216.98

This product was last offered at the strikethrough price on
06-13-2026

$206.13 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ECS Tuning Transmission Street Shield Skid Plate Kit - Audi B8
Protect your vehicle's transmission pan with a 4mm thick aluminum skid plate
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 3411961
Mfg#: 017881ECS01KT

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Availability:
In Stock
On SALE Save 20%
$505.70

This product was last offered at the strikethrough price on
06-13-2026

$404.56 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
Ball Seat Stud Conversion Kit
Make wheel changes faster and easier
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For use with ball seat wheels and up to 10mm spacers only
Brand: ECS - Corporate Logo
ES#: 2804036
Mfg#: 001467ECS01KT

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Availability:
In Stock
On SALE
$201.99

This product was last offered at the strikethrough price on
06-13-2026

$191.89 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
Carbon Fiber Front Lip Overlay - Audi B8 A4 S-Line / S4
Add a subtle touch of carbon fiber to your front bumper
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 3218893
Mfg#: 022693ECS01

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Availability:
In Stock
On SALE Save 47%
Limited Qty Sale
$225.99

This product was last offered at the strikethrough price on
05-02-2026

$120.88 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
Paddle Shifter Extension Set - Carbon Fiber - (NO LONGER AVAILABLE)
Upgrade the functionality and appearance of your paddle shifters!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

For B8 Pre-Facelift models, 8P, Q5, Q7, C6, B7 S4 - Equipped with OEM paddle shifters -- Login to your vehicle for specific notes
Brand: ECS - Corporate Logo
ES#: 3023201
Mfg#: 015591ECS01
No longer available
Wheel Spacer Flush Fit Kit - Polished Bolts - Aggressive
Includes spacers & Polished bolts to obtain a flush look on your OE 19" 'Peeler' style wheels
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 3138549
Mfg#: 003462ECS01KT2

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Availability:
Back Ordered
Auto Notify
On SALE Save 15%
$276.99

This product was last offered at the strikethrough price on
06-13-2026

$235.44 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
Magnetic Oil Drain Plug - With 10 Aluminum Washers
Capture harmful particles to prevent wear. M14x1.5
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 3187654
Mfg#: 001196ECS01-02

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Availability:
In Stock
On SALE Save 25%
$30.99

This product was last offered at the strikethrough price on
06-13-2026

$23.24 USD
Free Shipping Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
Billet Engine Oil Dipstick - Silver anodized
A more durable and aesthetically pleasing addition to your engine bay
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Fits: Audi B8 A4/A5/S4/S5 3.0T & 3.2L, C6 A6/C7 A6/A7 3.0T & 3.2L, D4 A8, Q5/SQ5/Q7 3.0T & 3.2L
Brand: ECS - Corporate Logo
ES#: 2960434
Mfg#: 005259ECS01-03

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Availability:
In Stock
On SALE Save 57%
Limited Qty Sale
$97.99

This product was last offered at the strikethrough price on
05-02-2026

$42.19 USD
Free Shipping Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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Manufacturer names and/or part numbers are used only for identification purposes.

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