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Audi A4 Performance Parts & Upgrades

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ES#3450989 - 024671ECS02 - Rear Exact-Fit Stainless Steel Brake Lines - Rear set of DOT-compliant lines for an improved pedal feel - ECS - Audi Porsche

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

Brand:
ECS - Corporate Logo
ES#:
3450989
Mfg#:
024671ECS02
In Stock
ON SALE! SAVE 10%
$103.99

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

$93.59 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3175519 - 252561M - Cat-Back Exhaust System  - 2.5" T-304 Stainless Steel exhaust system with dual tip Magnaflow muffler - Techtonics Tuning - Audi

2.5" T-304 Stainless Steel exhaust system with dual tip Magnaflow muffler For use with factory downpipe

Brand:
Techtonics Tuning - Corporate Logo
ES#:
3175519
Mfg#:
252561M
Ships in 9 Business Days
$687.99 USD
ES#4042991 - EMD-SPACER10665B - EMD Auto 10mm Wheel Spacers - Pair (With Bolts) - Manufactured out of high quality 6061-T6 aluminum, and black anodized for corrosion resistance - 5x112, 66.5 Center Bore - Emmanuele Design - Audi

Manufactured out of high quality 6061-T6 aluminum, and black anodized for corrosion resistance - 5x112, 66.5 Center Bore

Brand:
Emmanuele Design - Corporate Logo
ES#:
4042991
Mfg#:
EMD-SPACER10665B
Ships in 1 Business Day
$110.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4701691 - WAS-501 - Lightweight Tubular Rear Subframe - Increases chassis rigidity for improved handling performance and eliminates subframe shifting - Verkline - Audi

Increases chassis rigidity for improved handling performance and eliminates subframe shifting

Brand:
Verkline - Corporate Logo
ES#:
4701691
Mfg#:
WAS-501
Ships in 10 Business Days
$1699.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2102369 - 35210078 - KW V3 Series Coilover Kit - The ultimate in coilover technology featuring double adjustable dampening - KW Suspension - Audi

The ultimate in coilover technology featuring double adjustable dampening Fits avant 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#:
2102369
Mfg#:
35210078
Ships in 4 Business Days
$3394.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2652332 - 003246ECS01A - Silicone Turbo Inlet Hose - Audi B7 A4 2.0T - Flexible silicone smooths the intake tract & hinders collapsing. The ultimate in durability! - ECS - Audi

Flexible silicone smooths the intake tract & hinders collapsing. The ultimate in durability! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
2652332
Mfg#:
003246ECS01A
In Stock
ON SALE! SAVE 30%
$100.99

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

$70.69 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2748289 - 6-ECS-023 - Wheel Spacer & Bolt Kit - 17.5mm With Black 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#:
2748289
Mfg#:
6-ECS-023
In Stock
ON SALE! SAVE 25%
$173.99

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

$130.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4846368 - 034-509-0089 - Motorsport StreetSport Engine Mounts - Pair - Designed with extreme performance in mind and manufactured from billet aluminum and high-durometer Density Line rubber for better ride characteristics than polyurethane. - 034Motorsport - Audi

Designed with extreme performance in mind and manufactured from billet aluminum and high-durometer Density Line rubber for better ride characteristics than polyurethane. 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
4846368
Mfg#:
034-509-0089
In Stock
$677.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#5338628 - 056059LA084ISKT - 1.8T Performance Ignition Service Kit - Featuring ECS Performance Ignition Coils & OEM NGK platinum-core spark plugs for increased spark energy! - ECS - Audi Volkswagen

Featuring ECS Performance Ignition Coils & OEM NGK platinum-core spark plugs for increased spark energy! 10X Entries Into Our F80 M3 Sweepstakes
For Vehicles with Engine Codes ATW and AEB (Bolt-In Style Ignition Coils)

Brand:
ECS - Corporate Logo
ES#:
5338628
Mfg#:
056059LA084ISKT
In Stock
ON SALE! SAVE 15%
$220.99

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

$187.35 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2827420 - SSXAU296 -  Cat-Back Exhaust System - Resonated - 2.25" stainless steel with dual 100mm 'GT100' style polished exhaust tips - Milltek Sport - Audi

2.25" stainless steel with dual 100mm 'GT100' style polished exhaust tips

Brand:
Milltek Sport - Corporate Logo
ES#:
2827420
Mfg#:
SSXAU296
Ships on Dec 16, 2026
$1685.99 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 30%
$82.99

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

$58.09 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2226107 - FMFSITAT - Blow-Off Valve - Polished - Stop boost leaking from your diverter valve once and for all! - Forge - Audi Volkswagen

Stop boost leaking from your diverter valve once and for all!

Brand:
Forge - Corporate Logo
ES#:
2226107
Mfg#:
FMFSITAT
Ships on Nov 27, 2026
$373.70 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2983853 - 46-188502 - Bilstein B12 Pro-Kit Suspension System - Expertly matched performance Eibach Pro-line lowering springs and Bilstein shock/strut package for a dramatic increase in performance handling. World-famous Bilstein quality with a limited lifetime warranty! - Bilstein - Audi

Expertly matched performance Eibach Pro-line lowering springs and Bilstein shock/strut package for a dramatic increase in performance handling. World-famous Bilstein quality with a limited lifetime warranty! 10X Entries Into Our F80 M3 Sweepstakes
2X Entries For Our Spin To Win Sweepstakes!
For Sedan models

Brand:
Bilstein - Corporate Logo
ES#:
2983853
Mfg#:
46-188502
Ships in 3 Business Days
17% off MSRP

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

$1010.00

This product was last offered at the strikethrough price on
11-05-2026

$839.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4751215 - 026861ECS01EB2KT - Audi B8 S4 Pre-facelift Rear Diffuser & Trunk Spoiler - Add some aggressive styling to your Audi! - Enthusiast Bundles - Audi

Add some aggressive styling to your Audi! Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One!
Fits pre-facelift B8 S-Line models with quad tips only

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4751215
Mfg#:
026861ECS01EB2KT
In Stock
ON SALE!
$478.97 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2792686 - SA442-2 - Stage 2 Clutch Kit - Features a pure kevlar disc with a steel backing and a torque rating of 498ft/lbs - Spec Clutches - Audi

Features a pure kevlar disc with a steel backing and a torque rating of 498ft/lbs Replacement clutch kit for the RA4 Stage 2 conversion

Brand:
Spec Clutches - Corporate Logo
ES#:
2792686
Mfg#:
SA442-2
Ships in 3 Business Days
$835.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4499824 - RA841B200200 - Revo Big Brake Kit - Red - (355x32) - The Revo Big Brake Kit comes complete with everything required to upgrade your stopping power. - REVO - Audi

The Revo Big Brake Kit comes complete with everything required to upgrade your stopping power.

Brand:
REVO - Corporate Logo
ES#:
4499824
Mfg#:
RA841B200200
Back Ordered
$3339.00 USD
This product is lifetime replacement eligible Lifetime Replacement

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