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Audi B9 A4 FWD 2.0T Performance Parts & Upgrades

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ES#4475548 - LS-TS-AI-0008-A - Traction-S Performance Lowering Springs - Average lowering of 1.25" front and 1.25" rear - GODSPEED - Audi

Average lowering of 1.25" front and 1.25" rear affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
GODSPEED - Corporate Logo
ES#:
4475548
Mfg#:
LS-TS-AI-0008-A
Ships on Sep 4, 2026
$201.99

This product was last offered at the strikethrough price on
02-09-2026

$200.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3660019 - CTS-BV-0009-B9 - Blow Off Valve Kit - Fully serviceable, piston design valve is a direct bolt-on, without worry of a check engine light - CTS - Audi

Fully serviceable, piston design valve is a direct bolt-on, without worry of a check engine light affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CTS - Corporate Logo
ES#:
3660019
Mfg#:
CTS-BV-0009-B9
Ships in 8 Business Days
ON SALE! SAVE 20%
$249.99

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

$199.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4708646 - 999871 - RaceChip XLR Throttle Controller With App Control - Eliminate the delay in throttle response times with a simple XLR addition! Allows for Bluetooth connectivity for easy App based control. - Race Chip - Audi

Eliminate the delay in throttle response times with a simple XLR addition! Allows for Bluetooth connectivity for easy App based control. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Race Chip - Corporate Logo
ES#:
4708646
Mfg#:
999871
Ships in 4 Business Days
ON SALE! SAVE 10%
$299.00

This product was last offered at the strikethrough price on
06-30-2026

$269.10 USD
Free Shipping
on orders $49 and up
ES#3411933 - 024564ECS02 - Carbon Fiber Mirror Cap Set - Audi B9 A4/A5/S4/S5 - Upgrade your exterior look - ECS - Audi

Upgrade your exterior look affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

For vehicles without lane change assist

Brand:
ECS - Corporate Logo
ES#:
3411933
Mfg#:
024564ECS02
Ships on Nov 3, 2026
ON SALE! SAVE 20%
$365.99

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

$292.79 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4476079 - B9FLUSHKT - 19" Wheel Spacer Flush Fit Kit - Black Bolts - Includes H&R spacers & Black bolts to obtain a flush look on your OE 19" wheels - Assembled By ECS - Audi

Includes H&R spacers & Black bolts to obtain a flush look on your OE 19" wheels affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4476079
Mfg#:
B9FLUSHKT
Ships in 4 Business Days
ON SALE! SAVE 10%
$299.99

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

$269.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3136138 - 013576ECS01KT2 - Manifold Port Boost Tap Kit - Installs in the unused port of the intake manifold. Features three vacuum ports for multiple boost / vacuum references. - ECS - Audi

Installs in the unused port of the intake manifold. Features three vacuum ports for multiple boost / vacuum references. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3136138
Mfg#:
013576ECS01KT2
In Stock
ON SALE! SAVE 20%
$88.99

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

$71.19 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4430359 - EMD-SPACER-5-665 - EMD Wheel Spacers - 5mm (Pair) - Exclusively built for your 66.5mm centerbore VW/Audi - Emmanuele Design - Audi

Exclusively built for your 66.5mm centerbore VW/Audi affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Emmanuele Design - Corporate Logo
ES#:
4430359
Mfg#:
EMD-SPACER-5-665
Ships in 2 Business Days
$40.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4043208 - EMDSPACER20665 - EMD Auto 20mm Wheel Spacers - Pair - 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Emmanuele Design - Corporate Logo
ES#:
4043208
Mfg#:
EMDSPACER20665
Ships in 4 Business Days
$70.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

If understeer is an issue, increasing or adding a sway bar in the front can help. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Megan Racing - Corporate Logo
ES#:
4833874
Mfg#:
MRS-AU-2090
Ships in 5 Business Days
$279.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3410499 - 019318ECS02 - Rear Exact-Fit Stainless Steel Brake Lines - Rear set of DOT-compliant lines for an improved pedal feel - ECS - Audi

Rear set of DOT-compliant lines for an improved pedal feel affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3410499
Mfg#:
019318ECS02
In Stock
$109.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4447729 - AK-275-A - Adjustable Rear Toe Arms With Spherical Bearings  - Solid spherical bushings and adjustable lengths for perfectly dialed in camber settings. Adjustment range of +/-3.00 Degrees - GODSPEED - Audi

Solid spherical bushings and adjustable lengths for perfectly dialed in camber settings. Adjustment range of +/-3.00 Degrees affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
GODSPEED - Corporate Logo
ES#:
4447729
Mfg#:
AK-275-A
Ships in 3 Business Days
$180.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4213534 - DP32273C - Front RedStuff Performance Brake Pad Set - A high performance street pad, featuring Kevlar technology - EBC - Audi

A high performance street pad, featuring Kevlar technology affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!

For vehicles with 314mm rotors

Brand:
EBC - Corporate Logo
ES#:
4213534
Mfg#:
DP32273C
Ships in 2 Business Days
5% off MSRP

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

$189.99

This product was last offered at the strikethrough price on
06-30-2026

$179.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3709285 - ZAW071600MDSP - Trunk Spoiler - Gloss Black - Ideal for those looking to add a competition-inspired touch to their Audi. - Genuine Volkswagen Audi - Audi

Ideal for those looking to add a competition-inspired touch to their Audi. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3709285
Mfg#:
ZAW071600MDSP
Ships in 8 Business Days
4% off MSRP

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

$540.00

This product was last offered at the strikethrough price on
06-30-2026

$517.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Start off your suspension upgrades on the right foot with the EMD Auto stage 1 suspension package! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Emmanuele Design - Corporate Logo
ES#:
4430332
Mfg#:
EMD-B9Q-STG1
Ships in 2 Business Days
$510.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4698697 - 82451407 - Special Active Rear Shock - Priced Each  - Superior handling without compromising ride quality - Koni - Audi

Superior handling without compromising ride quality affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles without electronic suspension

Brand:
Koni - Corporate Logo
ES#:
4698697
Mfg#:
82451407
In Stock
ON SALE! SAVE 20%
$159.99

This product was last offered at the strikethrough price on
03-02-2026

$127.46 USD
Free Shipping
on orders $49 and up
ES#4464587 - 2.0T-MLB - Unitronic Performance Software - Flashed @ ECS - Choose the stage that meets your power goals! - Unitronic - Audi

Choose the stage that meets your power goals! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Buy Unitronic Software 6/22/26 - 7/10/26 for a chance to win your Software & UniCONNECT+ Cable for FREE!
This tune requires the vehicle to be dropped off at ECS Tuning's facility in Ohio and picked up the next

Brand:
Unitronic - Corporate Logo
ES#:
4464587
Mfg#:
2.0T-MLB
In Stock
ON SALE!
Starting at $500.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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