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Audi B8/B8.5 S4 Quattro 3.0T Most Popular Parts

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ES#2093800 - 15599 - Cat-Back Exhaust - 2.25" stainless steel with dual 3.5" polished stainless tips - Magnaflow - Audi

2.25" stainless steel with dual 3.5" polished stainless tips

Brand:
Magnaflow - Corporate Logo
ES#:
2093800
Mfg#:
15599
Back Ordered
$1813.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
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 Into Our F80 M3 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
In Stock
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
ES#2795753 - 003901ECS45BB -  Ball Seat Locking Wheel Bolt Kit - Black zinc coated wheel lock bolts made specifically for OE wheels. M14x1.5x45mm - ECS - Audi Volkswagen

Black zinc coated wheel lock bolts made specifically for OE wheels. M14x1.5x45mm 10X Entries Into Our F80 M3 Sweepstakes
For use with 15-17.5mm spacers

Brand:
ECS - Corporate Logo
ES#:
2795753
Mfg#:
003901ECS45BB
In Stock
ON SALE! SAVE 25%
$82.99

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

$62.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2603007 - 000574ECS01AKT - Front 2-Piece Brake Rotors - Pair (365x34) - Direct bolt-on upgrade - reducing unsprung weight! - ECS - Audi

Direct bolt-on upgrade - reducing unsprung weight! 10X Entries Into Our F80 M3 Sweepstakes

Replacement rotors for vehicles with the Stage 3 Audi RS Big Brake Kit

Brand:
ECS - Corporate Logo
ES#:
2603007
Mfg#:
000574ECS01AKT
In Stock
ON SALE! SAVE 23%
$1162.99

This product was last offered at the strikethrough price on
07-19-2026

$899.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3420790 - g013a8jm1kt5 - Coolant Flush Kit - Includes Schwaben coolant refill/air purge tool and 4.5 liters of G13 coolant. - Assembled By ECS - Audi Volkswagen

Includes Schwaben coolant refill/air purge tool and 4.5 liters of G13 coolant. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
3420790
Mfg#:
G013A8JM1KT5
In Stock
ON SALE!
$152.99

This product was last offered at the strikethrough price on
06-18-2026

$149.57 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement
ES#2550686 - 06E115562AKT2 - Oil Service Kit - Includes Hengst oil filter, drain plug/washer, and 8 quarts of Genuine VW/Audi 5w-40 - Assembled By ECS - Audi

Includes Hengst oil filter, drain plug/washer, and 8 quarts of Genuine VW/Audi 5w-40 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2550686
Mfg#:
06E115562AKT2
In Stock
ON SALE!
$148.99

This product was last offered at the strikethrough price on
09-09-2026

$137.79 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement
ES#2538178 - 8K0254200KXKT - Remanufactured Catalytic Converter - Left Side - Price includes $300 refundable core charge - Genuine Volkswagen Audi - Audi

Price includes $300 refundable core charge

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2538178
Mfg#:
8K0254200KXKT
In Stock
$3605.99

This product was last offered at the strikethrough price on
10-26-2026

$3576.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
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 2 Business Days
$324.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4446194 - 88.102.14BRKT - 19" RSe102 - Set Of Four - 19"x9.0" ET40 5x112 CB66.5mm - Satin Bronze - Neuspeed - Audi

19"x9.0" ET40 5x112 CB66.5mm - Satin Bronze

Brand:
Neuspeed - Corporate Logo
ES#:
4446194
Mfg#:
88.102.14BRKT
Ships in 1 Business Day
$1858.99

This product was last offered at the strikethrough price on
09-22-2026

$1782.99 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#4899176 - VS5RS199ET25KT - 19" Apex VS-5RS Forged Wheels - Square Set Of Four - 19x9.5 ET25 5X112 66.CB - Satin Bronze - APEX Wheels - Audi

19x9.5 ET25 5X112 66.CB - Satin Bronze 2X Entries Into Our F80 M3 Sweepstakes

Brand:
APEX Wheels - Corporate Logo
ES#:
4899176
Mfg#:
VS5RS199ET25KT
Ships in 5 Business Days
$3556.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4739076 - EP24-1386 - Rear EP24 "Enthusiast Performance" Brake Pad Set - This enthusiast-developed high-performance street and light track pad offers an ideal solution for the spirited commuter and weekend autocross driver alike. - ECS - Audi

This enthusiast-developed high-performance street and light track pad offers an ideal solution for the spirited commuter and weekend autocross driver alike. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4739076
Mfg#:
EP24-1386
In Stock
ON SALE! SAVE 20%
$126.99

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

$101.59 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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