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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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Replacement Double Cone High Flow Air Filter - 100mm

Replacement for RS3I-FL4, RS3I-02, A4B9-01 Leyo intake systems. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
LEYO - Corporate Logo
ES#:
4715449
Mfg#:
AFR-5-3-100
Ships on Jul 14, 2026
$55.99 USD
Free Shipping
on orders $49 and up

Performance Pinch Hardware Bolt & Nut - Priced Each

This bolt and nut replacement kit has a 720 hour salt spray certified coating affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Pinch bolt for upper control arms - Secures ball joints to the top of the knuckle

Brand:
SPC - Corporate Logo
ES#:
4715446
Mfg#:
21045
Ships in 1 Business Day
$9.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Strut Tower Cover Kit - Left

ES#4783266 - 8w0806583cKT - Front Strut Tower Cover Kit - Left - Keep your engine bay clean and looking good! - Genuine Volkswagen Audi - Audi

Keep your engine bay clean and looking good! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4783266
Mfg#:
8W0806583CKT
Ships in 1 day
$40.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Kohlefaser Luft-Technik Intake System Reflect-A-Gold Kit

ES#3221001 - 020870ecs01KT - Kohlefaser Luft-Technik Intake System Reflect-A-Gold Kit - Pre-cut DEI Reflect-a-Gold to apply directly to your new Kohlefaser Luft-Technik Intake System - ECS - Audi

Pre-cut DEI Reflect-a-Gold to apply directly to your new Kohlefaser Luft-Technik Intake System affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

For use with the B9 ECS Tuning Kohlefaser Luft-Technik Intake System only

Brand:
ECS - Corporate Logo
ES#:
3221001
Mfg#:
020870ECS01KT
Ships on Jul 31, 2026
Auto Notify
ON SALE! SAVE 25%
$46.99

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

$35.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

LED Glove Box Lighting Kit

ES#3183949 - 019195ecs01KT - LED Glove Box Lighting Kit - Transform the lighting in your glove box with new LED bulbs from Ziza - ZiZa - Audi

Transform the lighting in your glove box with new LED bulbs from Ziza affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ZiZa - Corporate Logo
ES#:
3183949
Mfg#:
019195ECS01KT
In Stock
ON SALE! SAVE 10%
$15.99

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

$14.39 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thrust Arm Monoball Upgrade Kit - Front Lower, Inner & B9 A4 / S4 Lowering Spring Set

ES#4876603 - 051204LA01EBKT - Thrust Arm Monoball Upgrade Kit - Front Lower, Inner & B9 A4 / S4 Lowering Spring Set - Eliminate deflection caused by stock rubber bushings and Dramatically improve looks and handling with and average lowering up to 1.5" front and rear. - Enthusiast Bundles - Audi

Eliminate deflection caused by stock rubber bushings and Dramatically improve looks and handling with and average lowering up to 1.5" front and rear. 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#:
4876603
Mfg#:
051204LA01EBKT
In Stock
ON SALE! SAVE 13%
$747.46

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

$652.45 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Audi B9 A4 2.0T Non Valved Exhaust System - Cat Back & Luft-Technik Intake System

ES#4751049 - 049103LA01EBKT - Audi B9 A4 2.0T Non Valved Exhaust System - Cat Back & Luft-Technik Intake System - Enhance the sound and performance of your vehicle with our Non Valved Exhaust System and Luft-Technik Intake System - Enthusiast Bundles - Audi

Enhance the sound and performance of your vehicle with our Non Valved Exhaust System and Luft-Technik Intake System 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
For vehicles up through the 2018 model year only (Pre-Facelift) Does not fit models equipped with a MAF sensor (DBPA or DPAA engine codes)

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4751049
Mfg#:
049103LA01EBKT
In Stock
ON SALE! SAVE 23%
$1825.96

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

$1399.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

IE Pro ECU Tune With POWERlink Cable

ES#5457715 - IESOWG12 - IE Pro ECU Tune With POWERlink Cable - Unleash the potential of your build with the Pro version, adding Stage 2 support and aggressive features and high-torque files. - Integrated Engineering - Audi

Unleash the potential of your build with the Pro version, adding Stage 2 support and aggressive features and high-torque files. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
5457715
Mfg#:
IESOWG12
In Stock
ON SALE!
Starting at $152.99 USD
Customize
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

IE ProCore Downpipe - B9 A4

ES#4904913 - IEEXCK9 - IE ProCore Downpipe - B9 A4 - Features a full and complete exhaust note with increased flow! - Integrated Engineering - Audi

Features a full and complete exhaust note with increased flow! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
4904913
Mfg#:
IEEXCK9
In Stock
ON SALE! SAVE 10%
$2199.99

This product was last offered at the strikethrough price on
06-25-2026

$1979.99 USD
Free Shipping
on orders $49 and up

IE Core ECU Tune With POWERlink Cable

ES#5457714 - IESOWG11 - IE Core ECU Tune With POWERlink Cable - The perfect entry point for a stock car, delivering a massive Stage 1 power bump with no additional hardware required. - Integrated Engineering - Audi

The perfect entry point for a stock car, delivering a massive Stage 1 power bump with no additional hardware required. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
5457714
Mfg#:
IESOWG11
In Stock
ON SALE!
Starting at $152.99 USD
Customize
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
Scratch and Dent Item

Carbon Fiber Front Lip Spoiler - Audi B9 A4/S4 - (NO LONGER AVAILABLE) *Scratch And Dent*

ES#5396163 - 019196ECS01A - Carbon Fiber Front Lip Spoiler - Audi B9 A4/S4 - (NO LONGER AVAILABLE) *Scratch And Dent* - Hand-laid carbon fiber to upgrade your exterior styling - Scratch & Dent - Audi

Hand-laid carbon fiber to upgrade your exterior styling ALL SALES FINAL. ITEMS MAY BE DAMAGED OR MISSING COMPONENTS. PLEASE SEE IMAGES BEFORE PURCHASING. Want To Haggle? Give Us A Call Or Chat To Make An Offer On This Product! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Scratch & Dent - Corporate Logo
ES#:
5396163
Mfg#:
019196ECS01A
In Stock
ON SALE! SAVE 21%
$875.99

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

$689.99 USD
Scratch and Dent Item

Performance High-Flow Air Intake System - 6" Velocity Stack *Scratch And Dent*

ES#5446213 - CTS-IT-290Rsd5 - Performance High-Flow Air Intake System - 6" Velocity Stack *Scratch And Dent* - Designed to work in conjunction with the OEM air scoop to seamlessly force cold air into the system - Flowed through a massive 6" velocity stack filter! - Scratch & Dent - Audi

Designed to work in conjunction with the OEM air scoop to seamlessly force cold air into the system - Flowed through a massive 6" velocity stack filter! ALL SALES FINAL. ITEMS MAY BE DAMAGED OR MISSING COMPONENTS. PLEASE SEE IMAGES BEFORE PURCHASING. Want To Haggle? Give Us A Call Or Chat To Make An Offer On This Product! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Scratch & Dent - Corporate Logo
ES#:
5446213
Mfg#:
CTS-IT-290RSD5
In Stock
ON SALE! SAVE 12%
$299.99

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

$263.99 USD
Free Shipping
on orders $49 and up
Scratch and Dent Item

Audi B9 A4 S-Line Pre-Facelift Rear Diffuser - Gloss Black - (NO LONGER AVAILABLE) *Scratch And Dent*

ES#5425758 - 008480LA01 - Audi B9 A4 S-Line Pre-Facelift Rear Diffuser - Gloss Black - (NO LONGER AVAILABLE) *Scratch And Dent* - Add some aggressive styling to your Audi! - Scratch & Dent - Audi

Add some aggressive styling to your Audi! ALL SALES FINAL. ITEMS MAY BE DAMAGED OR MISSING COMPONENTS. PLEASE SEE IMAGES BEFORE PURCHASING. Want To Haggle? Give Us A Call Or Chat To Make An Offer On This Product! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Scratch & Dent - Corporate Logo
ES#:
5425758
Mfg#:
008480LA01
In Stock
ON SALE! SAVE 25%
$422.99

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

$318.99 USD

Rear 2-Piece Drilled & Slotted Brake Rotors - Pair (330x22)

Direct bolt-on replacement - 25% less weight! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
5481837
Mfg#:
002879ECS01A01KT
In Stock
$721.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

MQB Performance Fuel Lines With Flex Fuel Upgrade

Direct replacement from the fuel pump on the passenger side of the car to an aftermarket MPI system. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Precision Raceworks - Corporate Logo
ES#:
5481803
Mfg#:
201-0152KT
In Stock
$169.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

034Motorsport RS+ Big Brake Package - Nickel Calipers (390x34)

ES#4842887 - 034-301-0003-NKL - 034Motorsport RS+ Big Brake Package - Nickel Calipers (390x34) - Features lightweight, CNC-machined 8-piston brake calipers with 390x34mm 2-piece rotors, reducing unsprung weight while enhancing brake cooling and longevity. - 034Motorsport - Audi

Features lightweight, CNC-machined 8-piston brake calipers with 390x34mm 2-piece rotors, reducing unsprung weight while enhancing brake cooling and longevity. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4842887
Mfg#:
034-301-0003-NKL
Ships in 2 Business Days
$4563.00 USD
Free Shipping

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