Call Us330-331-2003 ChatLive Chat Text Us!
0
Sales & Specials
Enter Your Vehicle
garage-red
Your Vehicle Audi B8/B8.5 S4 Quattro 3.0T

Audi B8/B8.5 S4 Quattro 3.0T Performance Parts & Upgrades

Sort By
Filter By
Return to Top
ES#3570122 - MS100167  - Wheel Spacer Kit - 12mm (1 Pair)  - 12mm spacers to perfectly dial in your stance or clear your big brake kit! - APR - Audi

12mm spacers to perfectly dial in your stance or clear your big brake kit! 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:
APR - Corporate Logo
ES#:
3570122
Mfg#:
MS100167
Ships in 5 Business Days
$103.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4508908 - 012535laKT - B8/C7 Center Differential And Axle Plug Delete Kit - A 100% reversible Quattro to RWD kit. - ECS - Audi

A 100% reversible Quattro to RWD kit. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Please make sure via VIN that your Center Diff part number is 0B2 409 755 L

Brand:
ECS - Corporate Logo
ES#:
4508908
Mfg#:
012535LAKT
Ships on Jul 6, 2026
Auto Notify
$569.98 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4039781 - 0655665SW - DR Series Wheel Spacers - Black - 3mm (1 Pair) - Add those new wheels to your vehicle with these new wheel spacers - H&R - Audi Mercedes Benz MINI Porsche

Add those new wheels to your vehicle with these new wheel spacers affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
H&R - Corporate Logo
ES#:
4039781
Mfg#:
0655665SW
In Stock
$102.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3220796 - 017429ECS01 -  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 - ECS - Audi

Extends farther down behind the grille to direct more air to the intake system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3220796
Mfg#:
017429ECS01
In Stock
ON SALE! SAVE 23%
$216.99

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

$166.94 USD
Free Shipping
ES#2626354 - 75558 - Front Performance Air Ride Kit - Allow your B8 Audi to sit on the ground! - Air Lift - Audi

Allow your B8 Audi to sit on the ground! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Air Lift - Corporate Logo
ES#:
2626354
Mfg#:
75558
In Stock at Vendor
$1333.99 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#2825795 - 003755ecs01a1KT - Front Cross Drilled & Slotted 2-Piece Brake Rotors - Pair (380x38) - Replacement rotors for Stage 4 Big Brake Kit (ES2825794 & ES3221498) - ECS - Audi

Replacement rotors for Stage 4 Big Brake Kit (ES2825794 & ES3221498) affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
*Replacement rotor set for customers that have our Stage 3/4 380mm kits with Porsche 19Z calipers*

Brand:
ECS - Corporate Logo
ES#:
2825795
Mfg#:
003755ECS01A1KT
In Stock
$1383.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2748280 - 6-ECS-018 - Wheel Spacer & Bolt Kit - 8mm With Black Ball Seat Bolts - Add some flair to your Audi with our new wheel spacers - ECS - Audi

Add some flair to your Audi with our new wheel spacers affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Fits most aftermarket wheels that use ball seat wheel bolts

Brand:
ECS - Corporate Logo
ES#:
2748280
Mfg#:
6-ECS-018
In Stock
$148.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4880758 - 034-401-H005 - Lower Control Arm M14 Hardware Kit for B8/B8.5 Audi A4/S4/RS4, A5/S5/RS5, Q5/SQ5, C7/C7.5 A6/S6/RS6, A7/S7/RS7, & 95B Porsche Macan - This hardware kit contains all hardware required to install a lower front control arm kit for late model B8.5/C7.5 vehicles with M14 hardware. All hardware is high-quality OEM plated. - 034Motorsport - Audi

This hardware kit contains all hardware required to install a lower front control arm kit for late model B8.5/C7.5 vehicles with M14 hardware. All hardware is high-quality OEM plated. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4880758
Mfg#:
034-401-H005
Back Ordered
Auto Notify
$82.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Includes lower control arms, upper adjustable control arms, M12 ball joints and all necessary hardware. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with M12 ball joints

Brand:
034Motorsport - Corporate Logo
ES#:
4159576
Mfg#:
034-401-1055
Ships in 2 Business Days
$1306.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2725288 - KS4B8HDB - Stage 2 Drag Clutch Kit - Designed for drag or drift cars that see limited street use. Conservatively rated at 500ft/lbs. - South Bend Clutch - Audi

Designed for drag or drift cars that see limited street use. Conservatively rated at 500ft/lbs. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
South Bend Clutch - Corporate Logo
ES#:
2725288
Mfg#:
KS4B8HDB
Ships in 1 Business Day
$1302.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3639608 - 034-102-1000 - 034Motorsport Supercharger Heat Exchanger Upgrade Kit - Significantly reduces intake air temperatures - Core size increased From 148 sq. in. to 341 sq. in, and frontal area increased by 130% over stock cooler! - 034Motorsport - Audi

Significantly reduces intake air temperatures - Core size increased From 148 sq. in. to 341 sq. in, and frontal area increased by 130% over stock cooler! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
*Please Note: Vehicles equipped with a factory dynamic steering cooler must relocate - Please see description for more info*

Brand:
034Motorsport - Corporate Logo
ES#:
3639608
Mfg#:
034-102-1000
Ships in 2 Business Days
$1288.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4159608 - 034-401-1056 - Track Spec Density Line Control Arm Kit - Front - Includes lower control arms, upper adjustable control arms, M14 ball joints and all necessary hardware. - 034Motorsport - Audi

Includes lower control arms, upper adjustable control arms, M14 ball joints and all necessary hardware. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with M14 ball joints

Brand:
034Motorsport - Corporate Logo
ES#:
4159608
Mfg#:
034-401-1056
Back Ordered
$1285.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Includes lower control arms, upper adjustable control arms, M12 ball joints and all necessary hardware. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with M12 ball joints

Brand:
034Motorsport - Corporate Logo
ES#:
4159610
Mfg#:
034-401-1057
Back Ordered
$1284.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3137351 - 002292ECS01AKT - Billet Aluminum Oil Filter Housing Hook-Up - Audi 3.0T & 3.2L - Includes free Hengst Oil Filter with purchase of ECS Billet Oil Filter Housing - Limited time only! - Assembled By ECS - Audi

Includes free Hengst Oil Filter with purchase of ECS Billet Oil Filter Housing - Limited time only! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
3137351
Mfg#:
002292ECS01AKT
In Stock
ON SALE!
$144.99

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

$144.51 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement
ES#3536775 - 72361 -  Performance Front & Rear Sway Bar Kit - Includes front adjustable (30mm) and rear (24mm) non-adjustable sway bars with required bushings - H&R - Audi

Includes front adjustable (30mm) and rear (24mm) non-adjustable sway bars with required bushings affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
Fits sedan models only

Brand:
H&R - Corporate Logo
ES#:
3536775
Mfg#:
72361
Ships in 3 Business Days
$636.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3706799 - iesocgjtcu - Apex IE Performance ECU Tune - Includes TCU Tune & POWERlink Cable - Average gain of 131 horsepower and 136 lb-ft of torque on 91 Octane - Integrated Engineering - Audi

Average gain of 131 horsepower and 136 lb-ft of torque on 91 Octane affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!
Perform tune in minutes from the comfort of your own driveway! Only available for purchase in the United States and Canada.
For vehicles with DSG transmission only

Brand:
Integrated Engineering - Corporate Logo
ES#:
3706799
Mfg#:
IESOCGJTCU
In Stock
$1248.99 USD
Free Shipping

More About Performance Parts & Upgrades

All the performance upgrade options from the best brands in the business to help build your dreams. Our performance parts catalog is the largest anywhere and constantly growing to keep your build on track.

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

Terms of Use Privacy Policy ECS Tuning is part of Enthusiast Auto Holdings