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Audi A4 Performance Parts & Upgrades

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Billet Aluminum Oil Filter Housing Kit - Polished

ES#2723775 - 003602ECS01A03A - Billet Aluminum Oil Filter Housing Kit - Polished - Aluminum oil filter housing replacement for plastic OE housing - ECS - Audi Volkswagen

Aluminum oil filter housing replacement for plastic OE housing 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
2723775
Mfg#:
003602ECS01A03A
Back Ordered
ON SALE!
$144.99

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

$140.64 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front & Rear Exact-Fit Stainless Steel Brake Lines - Kit

ES#1162 - B5QSSBLK - Front & Rear Exact-Fit Stainless Steel Brake Lines - Kit - Complete set of DOT-compliant lines for an improved pedal feel - ECS - Audi

Complete set of DOT-compliant lines for an improved pedal feel 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
1162
Mfg#:
B5QSSBLK
In Stock
ON SALE! SAVE 10%
$212.99

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

$191.69 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Wheel Spacer Flush Fit Kit - Polished Bolts

ES#2834856 - 011326ecs01KT - Wheel Spacer Flush Fit Kit - Polished Bolts - Includes spacers & Polished bolts to obtain a flush look on your OE 18" wheels - ECS - Audi

Includes spacers & Polished bolts to obtain a flush look on your OE 18" wheels 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
2834856
Mfg#:
011326ECS01KT
In Stock
ON SALE! SAVE 25%
$311.99

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

$233.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Resonator Delete Kit

ES#4830681 - CTS-EXH-TP-0011 - Resonator Delete Kit - Installing this part allows for a subtle exhaust sound increase on your factory exhaust - CTS - Audi

Installing this part allows for a subtle exhaust sound increase on your factory exhaust

Brand:
CTS - Corporate Logo
ES#:
4830681
Mfg#:
CTS-EXH-TP-0011
Ships on Dec 18, 2026
ON SALE! SAVE 10%
$179.99

This product was last offered at the strikethrough price on
09-29-2026

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

Carbon Fiber Rear Diffuser - Audi B9 A4

ES#3145741 - 019193ECS01A - Carbon Fiber Rear Diffuser - Audi B9 A4 - Hand-laid carbon fiber to upgrade your exterior styling - ECS - Audi

Hand-laid carbon fiber to upgrade your exterior styling 10X Entries Into Our F80 M3 Sweepstakes

Fits pre-facelift, S-line models (up to 2019), without integrated tips in the rear valance

Brand:
ECS - Corporate Logo
ES#:
3145741
Mfg#:
019193ECS01A
In Stock
ON SALE!
$719.99

This product was last offered at the strikethrough price on
09-01-2026

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

IE Race Exhaust Camshaft

ES#4361432 - IECVA1-1 - IE Race Exhaust Camshaft - IE Race Exhaust Camshaft for 500+ Horsepower Builds! - Integrated Engineering - Audi Volkswagen

IE Race Exhaust Camshaft for 500+ Horsepower Builds!

Brand:
Integrated Engineering - Corporate Logo
ES#:
4361432
Mfg#:
IECVA1-1
Ships in 2 Business Days
$349.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Luft-Technik Intake Air Scoop - Audi B8 A4/A5/S4/S5

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 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3220796
Mfg#:
017429ECS01
In Stock
ON SALE! SAVE 44%
$178.99

This product was last offered at the strikethrough price on
05-14-2026

$99.99 USD
Free Shipping

Silicone Throttle Body Hose

ES#3071902 - 017622ECS01A - Silicone Throttle Body Hose - Engineered to allow for maximum possible airflow - ECS - Audi

Engineered to allow for maximum possible airflow 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3071902
Mfg#:
017622ECS01A
In Stock
ON SALE! SAVE 30%
$118.99

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

$83.29 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Competition Intercooler Kit

ES#4017642 - 200001126 - Competition Intercooler Kit - The high performance intercooler core provides a 134% larger frontal area and 105% more volume compared to the stock mounted intercooler. - Wagner Tuning - Audi

The high performance intercooler core provides a 134% larger frontal area and 105% more volume compared to the stock mounted intercooler.

Brand:
Wagner Tuning - Corporate Logo
ES#:
4017642
Mfg#:
200001126
Ships on Dec 4, 2026
$1040.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Wheel Spacer Kit - 12mm (1 Pair)

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!

Brand:
APR - Corporate Logo
ES#:
3570122
Mfg#:
MS100167
In Stock
$103.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

DRA Series Wheel Spacers - 30mm (1 Pair)

ES#378 - 60556651 - DRA Series Wheel Spacers - 30mm (1 Pair) - H&R 30 mm spacers attach with supplied bolts, uses existing bolts to attach wheel to spacers. Bolts to the hub - H&R - Audi Mercedes Benz Porsche

H&R 30 mm spacers attach with supplied bolts, uses existing bolts to attach wheel to spacers. Bolts to the hub We Price Match - Give Us A Call or Chat!

Brand:
H&R - Corporate Logo
ES#:
378
Mfg#:
60556651
Ships in 4 Business Days
10% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$229.99

This product was last offered at the strikethrough price on
10-01-2026

$206.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Big Brake Kit - Stage 3 - Slotted Rotors (345x30)

ES#4414450 - ES2953879KT - Front Big Brake Kit - Stage 3 - Slotted Rotors (345x30) - Upgrade your brake system to the 4-piston Brembo Q5 calipers. Includes ECS V5 Slotted brake rotors. - ECS - Audi

Upgrade your brake system to the 4-piston Brembo Q5 calipers. Includes ECS V5 Slotted brake rotors. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4414450
Mfg#:
ES2953879KT
Ships on Mar 22, 2027
$2211.11

This product was last offered at the strikethrough price on
07-23-2026

$2063.50 USD
This product is lifetime replacement eligible Partial Replacement

Front Big Brake Kit - Stage 3 - Cross Drilled & Slotted Rotors (345x30)

ES#3537601 - 025997ECS0541KT - Front Big Brake Kit - Stage 3 - Cross Drilled & Slotted Rotors (345x30) - Upgrade your brake system to the 4-piston Brembo Q5 calipers. Includes ECS V5 brake rotors. - ECS - Audi

Upgrade your brake system to the 4-piston Brembo Q5 calipers. Includes ECS V5 brake rotors. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3537601
Mfg#:
025997ECS0541KT
Ships on Mar 22, 2027
$2203.11

This product was last offered at the strikethrough price on
07-23-2026

$2055.50 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Rear Exact-Fit Stainless Steel Brake Lines

ES#3449971 - 024686ECS02 - Rear Exact-Fit Stainless Steel Brake Lines - Rear set of DOT-compliant lines for an improved pedal feel - ECS - Audi Volkswagen

Rear set of DOT-compliant lines for an improved pedal feel 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3449971
Mfg#:
024686ECS02
In Stock
ON SALE!
$95.99

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

$93.11 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Wheel Spacer & Bolt Kit - 15mm With Conical Seat Bolts

ES#2603080 - 002411ECS03AKT - Wheel Spacer & Bolt Kit - 15mm With Conical Seat Bolts - Complete kit for two wheels, comes with everything you need to install spacers on your aftermarket wheels - ECS - Audi

Complete kit for two wheels, comes with everything you need to install spacers on your aftermarket wheels 10X Entries Into Our F80 M3 Sweepstakes
Fits most aftermarket wheels that use conical seat wheel bolts

Brand:
ECS - Corporate Logo
ES#:
2603080
Mfg#:
002411ECS03AKT
In Stock
ON SALE! SAVE 30%
$171.99

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

$120.39 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

AWE Touring Edition Exhaust System - Audi B9 A4 2.0T

ES#4727590 - AWEB9A4TR - AWE Touring Edition Exhaust System - Audi B9 A4 2.0T - Delivers a civil, smooth soundtrack throughout the range while providing an enhanced in-cabin driving experience in any Drive Select mode. Features AWE's proprietary 180 Technology resonators. - AWE - Audi

Delivers a civil, smooth soundtrack throughout the range while providing an enhanced in-cabin driving experience in any Drive Select mode. Features AWE's proprietary 180 Technology® resonators. 2X Entries Into Our F80 M3 Sweepstakes
For vehicles up through the 2018 model year only (Pre-Facelift)

Brand:
AWE - Corporate Logo
ES#:
4727590
Mfg#:
AWEB9A4TR
Ships on Nov 25, 2026
ON SALE!
Starting at $2045.00 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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