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Audi B8/B8.5 S4 Quattro 3.0T

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

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B8/C7 Center Differential Delete - NO WELDING NEEDED

ES#4375353 - 012535LA01 - B8/C7 Center Differential Delete - NO WELDING NEEDED - Easily allows the removal of center differential when converting your B8 S4 to RWD (rear wheel drive) from Quattro - ECS - Audi

Easily allows the removal of center differential when converting your B8 S4 to RWD (rear wheel drive) from Quattro 10X Entries For Our 25th Anniversary Sweepstakes!
100% reversible RWD kit when paired with our Axle Delete Plugs (ES4373491) Please make sure via VIN that

Brand:
ECS - Corporate Logo
ES#:
4375353
Mfg#:
012535LA01
Ships on Aug 11, 2026
Auto Notify
ON SALE! SAVE 20%
$452.99

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

$362.39 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

CTS Street Sport Engine Mount - Priced Each

ES#4070107 - CTS-EM-B8-50D - CTS Street Sport Engine Mount - Priced Each - 50 Durometer rubber construction - Single engine mount - CTS - Audi

50 Durometer rubber construction - Single engine mount *Priced as one single mount*

Brand:
CTS - Corporate Logo
ES#:
4070107
Mfg#:
CTS-EM-B8-50D
Back Ordered
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ON SALE! SAVE 20%
$199.99

This product was last offered at the strikethrough price on
07-10-2026

$159.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Carbon Fiber Fog Light Grille Overlay Set - Audi B8.5 A4/S4

ES#3419105 - 022928ecs01KT - Carbon Fiber Fog Light Grille Overlay Set - Audi B8.5 A4/S4 - Masks the aluminum-look trim strips on the fog light grilles with carbon fiber - ECS - Audi

Masks the aluminum-look trim strips on the fog light grilles with carbon fiber 10X Entries For Our 25th Anniversary Sweepstakes!

Fits Facelift models from the 2013 model year

Brand:
ECS - Corporate Logo
ES#:
3419105
Mfg#:
022928ECS01KT
In Stock
ON SALE! SAVE 15%
$173.99

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

$147.89 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B8/B8.5 S4/S5 Carbon Fiber Left Side Engine Bay Cover

ES#3570284 - 023149ecs02KT - Audi B8/B8.5 S4/S5 Carbon Fiber Left Side Engine Bay Cover - Cover up unsightly under hood components with carbon fiber style! - ECS - Audi

Cover up unsightly under hood components with carbon fiber style! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3570284
Mfg#:
023149ECS02KT
Ships on Aug 31, 2026
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ON SALE! SAVE 15%
$241.99

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

$205.69 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B8 / C7 Brake Cooling Duct Set

ES#4353029 - 006945la04 - Audi B8 / C7 Brake Cooling Duct Set - Increase air flow to your brakes! - ECS - Audi

Increase air flow to your brakes! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4353029
Mfg#:
006945LA04
Ships on Sep 8, 2026
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$91.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

IE Audi 3.0T Crank Pulley Upgrade Kit - 188mm

ES#4491703 - IEBAVJ7 - IE Audi 3.0T Crank Pulley Upgrade Kit - 188mm - Increases supercharger RPM by 26% when paired with IE 57.5mm overdrive supercharger pulley - Integrated Engineering - Audi

Increases supercharger RPM by 26% when paired with IE 57.5mm overdrive supercharger pulley 5X Entries For Our 25th Anniversary Sweepstakes!
Requires 57.5mm SC pulley and stage 2 dual pulley ECU tune

Brand:
Integrated Engineering - Corporate Logo
ES#:
4491703
Mfg#:
IEBAVJ7
In Stock
$497.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cat-Back Exhaust System - Valvesonic

ES#2827523 - SSXAU406 - Cat-Back Exhaust System - Valvesonic - 2.37" stainless steel with quad 100mm black Cerakote tips - Milltek Sport - Audi

2.37" stainless steel with quad 100mm black Cerakote tips From the 2013 model year

Brand:
Milltek Sport - Corporate Logo
ES#:
2827523
Mfg#:
SSXAU406
Ships in 4 Business Days
$4460.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Big Brake Kit - Stage 4 - 2-Piece Rotors (380x34)

ES#2785042 - 003883ECS02KT - Front Big Brake Kit - Stage 4 - 2-Piece Rotors (380x34) - Featuring Black RS5 8-piston calipers, ECS stainless steel lines & Hawk HPS pads - ECS - Audi

Featuring Black RS5 8-piston calipers, ECS stainless steel lines & Hawk HPS pads 10X Entries For Our 25th Anniversary Sweepstakes!
Please download the installation template to confirm this brake kit will fit behind your factory or after

Brand:
ECS - Corporate Logo
ES#:
2785042
Mfg#:
003883ECS02KT
Ships on Dec 4, 2026
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$4415.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

KW V1 Series Coilover Kit

ES#2091966 - 10210075 - KW V1 Series Coilover Kit - Variant 1 coilovers offer the best balance between sporty driving and comfort - KW Suspension - Audi

Variant 1 coilovers offer the best balance between sporty driving and comfort Fits sedan models without factory EDC. Range of lowering is 0.8-1.5" in the front and 0.4-1.5" in the rear.

Brand:
KW Suspension - Corporate Logo
ES#:
2091966
Mfg#:
10210075
In Stock at Vendor
$2194.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS Wheel Spacers - 5mm (Pair)

ES#2167469 - 002411ECS01A05Kt - ECS Wheel Spacers - 5mm (Pair) - Get the right size wheel spacer for your vehicle - ECS - Audi BMW Porsche

Get the right size wheel spacer for your vehicle 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2167469
Mfg#:
002411ECS01A05KT
In Stock
ON SALE! SAVE 25%
$137.99

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

$103.48 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS Tuning Exhaust Resonator Delete Section

ES#4848336 - 008553ECS12-01 - ECS Tuning Exhaust Resonator Delete Section - Change out your ECS Tuning B8/8.5 S4/S5 or B9 A4/S4 Valved Exhaust from resonated to non-resonated! - ECS - Audi

Change out your ECS Tuning B8/8.5 S4/S5 or B9 A4/S4 Valved Exhaust from resonated to non-resonated! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4848336
Mfg#:
008553ECS12-01
In Stock
ON SALE! SAVE 10%
$91.99

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

$82.79 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Supercharger Inlet Kit - Carbon Fiber - Audi B8 S4/S5 3.0T

ES#2836833 - 000931ecs02aKT - Supercharger Inlet Kit - Carbon Fiber - Audi B8 S4/S5 3.0T - Replace the accordion throttle body hose with a smooth carbon fiber tube - ECS - Audi

Replace the accordion throttle body hose with a smooth carbon fiber tube 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2836833
Mfg#:
000931ECS02AKT
In Stock
ON SALE! SAVE 15%
$252.99

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

$215.04 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

CTS Lowering Spring Set - B8/B8.5 A4/S4

ES#4686149 - CTS-LS-012 - CTS Lowering Spring Set - B8/B8.5 A4/S4 - Average lowering front: 2.0" rear: 2.0" - CTS - Audi

Average lowering front: 2.0" rear: 2.0"

Brand:
CTS - Corporate Logo
ES#:
4686149
Mfg#:
CTS-LS-012
Back Ordered
ON SALE! SAVE 15%
$249.99

This product was last offered at the strikethrough price on
07-10-2026

$212.49 USD
Free Shipping

JHM HD Overdrive Lightweight Supercharger Crank Pulley (179mm)

ES#4045867 - 06E105251F-179mm - JHM HD Overdrive Lightweight Supercharger Crank Pulley (179mm) - Eliminates the problematic two-piece design and rubber isolator found in the stock crank pulley while reducing the mass of the motor's rotating assembly. - JH Motorsports - Audi Volkswagen Porsche

Eliminates the problematic two-piece design and rubber isolator found in the stock crank pulley while reducing the mass of the motor's rotating assembly. *To be used with 'Stage 2' software or software specific to a supercharger crank pulley upgrade*

Brand:
JH Motorsports - Corporate Logo
ES#:
4045867
Mfg#:
06E105251F-179MM
Ships in 3 Business Days
$324.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Wheel Spacer & Bolt Kit - 20mm With Ball Seat Bolts

ES#2177173 - 6-ECS-024 - Wheel Spacer & Bolt Kit - 20mm With Ball Seat Bolts - Add some style to your Audi with these wheel spacers - ECS - Audi

Add some style to your Audi with these wheel spacers 10X Entries For Our 25th Anniversary Sweepstakes!
Fits OEM wheels, or wheels that use OEM ball seat wheel bolts

Brand:
ECS - Corporate Logo
ES#:
2177173
Mfg#:
6-ECS-024
In Stock
ON SALE! SAVE 10%
$179.99

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

$161.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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