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Audi B9 A4 Quattro 2.0T

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Audi B9 A4 Quattro 2.0T Performance Parts & Upgrades

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Wheel Spacer & Bolt Kit - 17.5mm With Ball Seat Bolts

ES#2177175 - 6-ECS-023 - Wheel Spacer & Bolt Kit - 17.5mm 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Fits OEM wheels, or wheels that use OEM ball seat wheel bolts

Brand:
ECS - Corporate Logo
ES#:
2177175
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

Ball Seat Locking Wheel Bolt Kit

ES#4745663 - 003901ECS40BB - Ball Seat Locking Wheel Bolt Kit - Black zinc coated wheel lock bolts made specifically for OE wheels. M14x1.5x40mm - ECS - Audi Volkswagen

Black zinc coated wheel lock bolts made specifically for OE wheels. M14x1.5x40mm affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For use with 10-12.5mm spacers

Brand:
ECS - Corporate Logo
ES#:
4745663
Mfg#:
003901ECS40BB
In Stock
ON SALE! SAVE 25%
$72.99

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

$54.74 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. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Wagner Tuning - Corporate Logo
ES#:
4017642
Mfg#:
200001126
Ships in 8 Business Days
$1040.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Wheel Spacer & Bolt Kit - 8mm With Black Conical Seat Bolts

ES#2748281 - 6-ECS-018 - Wheel Spacer & Bolt Kit - 8mm 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Fits most aftermarket wheels that use conical seat wheel bolts

Brand:
ECS - Corporate Logo
ES#:
2748281
Mfg#:
6-ECS-018
In Stock
ON SALE!
$134.99

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

$128.24 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Carbon Fiber Trunk Spoiler - Audi B9 A4/S4

ES#3141741 - 019220ECS01A - Carbon Fiber Trunk Spoiler - Audi B9 A4/S4 - Add a touch of style and real carbon fiber to your Audi - ECS - Audi

Add a touch of style and real carbon fiber to your Audi affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3141741
Mfg#:
019220ECS01A
In Stock
ON SALE! SAVE 28%
$694.99

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

$500.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

034Motorsport Wheel Spacer Pair - 20mm

ES#3546625 - 034-604-7007 - 034Motorsport Wheel Spacer Pair - 20mm - Increase track width to improve handling, allow for more brake clearance, and help achieve a flush wheel/tire fitment - 034Motorsport - Audi

Increase track width to improve handling, allow for more brake clearance, and help achieve a flush wheel/tire fitment affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
3546625
Mfg#:
034-604-7007
In Stock
$125.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear 2-Piece Brake Rotors - Pair (330x22)

Replace your rotors with 2-piece rotors from Giro Disc. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Girodisc - Corporate Logo
ES#:
4608924
Mfg#:
A2-130
In Stock at Vendor
$995.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Black DRA Series Wheel Spacers - 30mm (1 Pair)

ES#4753208 - 60556651SW - Black 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 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#:
4753208
Mfg#:
60556651SW
In Stock
$197.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front EP24 "Enthusiast Performance" Brake Pad Set

ES#4739101 - EP24-1897 - Front 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. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4739101
Mfg#:
EP24-1897
In Stock
ON SALE! SAVE 34%
$223.99

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

$147.67 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Unitronic Carbon Fiber Intake System 2.0TSI B9 A4/A5

ES#4362349 - UH016-INA - Unitronic Carbon Fiber Intake System 2.0TSI B9 A4/A5 - Engineered for seamless integration within the engine bay and improves the performance, look and sound of your vehicle. - Unitronic - Audi

Engineered for seamless integration within the engine bay and improves the performance, look and sound of your vehicle. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Unitronic - Corporate Logo
ES#:
4362349
Mfg#:
UH016-INA
Ships in 6 Business Days
$1469.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

B9 A4/A5 4" Direct-Fit Exhaust Tips - Chrome - Pair

ES#3476950 - 019490ecs02KT - B9 A4/A5 4" Direct-Fit Exhaust Tips - Chrome - Pair - A pair of direct-fit exhaust tips for the B9 A4/A5. No modifications necessary - ECS - Audi

A pair of direct-fit exhaust tips for the B9 A4/A5. No modifications necessary affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3476950
Mfg#:
019490ECS02KT
In Stock
ON SALE!
$147.98

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

$143.54 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

WPC-Treated Race Series Connecting Rod Bearing Set - 2.0T

ES#4845820 - EA888-WPC-RB - WPC-Treated Race Series Connecting Rod Bearing Set - 2.0T - Stronger & smoother bearings, with less friction and improved oiling for your VW or Audi! - ECS - Audi Volkswagen

Stronger & smoother bearings, with less friction and improved oiling for your VW or Audi! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4845820
Mfg#:
EA888-WPC-RB
Back Ordered
Auto Notify
ON SALE! SAVE 25%
$374.99

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

$281.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Complete Carbon Fiber Exterior Package

ES#3236268 - 019196ecs01KT - Complete Carbon Fiber Exterior Package - Revamp your B9 A4 S-Line with a complete hand-laid carbon fiber kit - ECS - Audi

Revamp your B9 A4 S-Line with a complete hand-laid carbon fiber kit affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Save an additional $100 with this exclusive bundle!

Brand:
ECS - Corporate Logo
ES#:
3236268
Mfg#:
019196ECS01KT
Ships on Nov 25, 2026
ON SALE! SAVE 24%
$3705.99

This product was last offered at the strikethrough price on
01-03-2026

$2802.93 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

3" High Flow Catalytic Converter

ES#3449953 - CTSEXHTP0006-CAT - 3" High Flow Catalytic Converter - Designed to seamlessly fit in place of factory catalytic converter - CTS - Audi

Designed to seamlessly fit in place of factory catalytic converter affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles up through 2020

Brand:
CTS - Corporate Logo
ES#:
3449953
Mfg#:
CTSEXHTP0006-CAT
Back Ordered
$279.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

B9 A4/A5/S4/S5 Quattro Adjustable Damping Coilovers & Front/Rear Sway Bars

ES#4876154 - 000745LAEBKT2 - B9 A4/A5/S4/S5 Quattro Adjustable Damping Coilovers & Front/Rear Sway Bars - Enhance your B9 with a performance-tuned coilover suspension setup & upgraded sway bars! - Enthusiast Bundles - Audi

Enhance your B9 with a performance-tuned coilover suspension setup & upgraded sway bars! Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4876154
Mfg#:
000745LAEBKT2
Ships on Nov 4, 2026
Auto Notify
ON SALE! SAVE 25%
$1863.98

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

$1399.00 USD
This product is lifetime replacement eligible Lifetime Replacement

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