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Audi B9 RS5 Quattro 2.9T

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Audi B9 RS5 Quattro 2.9T Performance Parts & Upgrades

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Adjustable Rear Sway Bar End Links

ES#3468833 - 034-402-4024 - Adjustable Rear Sway Bar End Links - Adjust preload on the sway bar, as well as alleviate any sway bar clearance issues caused by lowering your car - 034Motorsport - Audi

Adjust preload on the sway bar, as well as alleviate any sway bar clearance issues caused by lowering your car 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
3468833
Mfg#:
034-402-4024
Ships in 2 Business Days
$288.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

APR Plus ECU Upgrade - 2.9T EA839 V6 (B9 RS5)

Gains of up to 75HP and 98 FT-LBS With a Limited Powertrain Warranty Call In Or Chat For Best Price!
This upgrade must be performed at ECS Tuning's facility in Ohio.

Brand:
APR - Corporate Logo
ES#:
4376206
Mfg#:
DPP29TMG1APRPLUS
In Stock
ON SALE! SAVE 20%
$1799.99

This product was last offered at the strikethrough price on
09-28-2026

$1439.96 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

APR Carbon Fiber Intake System

ES#4464977 - CI100042 - APR Carbon Fiber Intake System - Looks as great as it performs - APR - Audi

Looks as great as it performs Call In Or Chat For Best Price!

Brand:
APR - Corporate Logo
ES#:
4464977
Mfg#:
CI100042
Ships in 5 Business Days
ON SALE! SAVE 10%
$1599.99

This product was last offered at the strikethrough price on
09-28-2026

$1439.96 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

DR Series Wheel Spacers - Black - 3mm (1 Pair)

ES#4039781 - 0655665SW - DR Series Wheel Spacers - Black - 3mm (1 Pair) - Add those new wheels to your vehicle with these new wheel spacers - H&R - Audi Mercedes Benz MINI Porsche

Add those new wheels to your vehicle with these new wheel spacers We Price Match - Give Us A Call or Chat!

Brand:
H&R - Corporate Logo
ES#:
4039781
Mfg#:
0655665SW
In Stock
10% off MSRP

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

$99.99

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

$89.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Wheel Spacer & Bolt Kit - 5mm With Conical Seat Bolts

ES#2568311 - 6-ECS-015 - Wheel Spacer & Bolt Kit - 5mm 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#:
2568311
Mfg#:
6-ECS-015
Ships on Dec 7, 2026
ON SALE! SAVE 25%
$156.99

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

$117.74 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

APR Catback Exhaust System - RS4 / RS5 (B9)

ES#5396373 - CBK0037 - APR Catback Exhaust System - RS4 / RS5 (B9) - Expect a bold, aggressive growl at wide-open throttle, and high-quality construction built to last. - APR - Audi

Expect a bold, aggressive growl at wide-open throttle, and high-quality construction built to last. Call In Or Chat For Best Price!

Brand:
APR - Corporate Logo
ES#:
5396373
Mfg#:
CBK0037
Ships in 5 Business Days
ON SALE! SAVE 44%
$2499.99

This product was last offered at the strikethrough price on
06-24-2026

$1403.96 USD
Free Shipping

DR Series Wheel Spacers - 10mm (1 Pair)

ES#2538522 - 2055668 - DR Series Wheel Spacers - 10mm (1 Pair) - Get that stance that you've been craving with these new spacers - H&R - Audi MINI Porsche

Get that stance that you've been craving with these new spacers We Price Match - Give Us A Call or Chat!
Maximum factory hub height of up to 13.5mm. Inside wheel bevel = 5.0 x 45 degrees

Brand:
H&R - Corporate Logo
ES#:
2538522
Mfg#:
2055668
Ships in 3 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.

$109.99

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

$98.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

IE Adjustable Front Sway End Links

ES#5375255 - IESSCK4 - IE Adjustable Front Sway End Links - Easy adjustments perfect any ride height and provide tight, responsive handling - Integrated Engineering - Audi

Easy adjustments perfect any ride height and provide tight, responsive handling

Brand:
Integrated Engineering - Corporate Logo
ES#:
5375255
Mfg#:
IESSCK4
In Stock
$229.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Carbon Fiber Trunk Spoiler - Gloss

ES#3197455 - 8W6071641A3Q0 - Carbon Fiber Trunk Spoiler - Gloss - Add a touch of style and real carbon fiber to your Audi - Genuine Volkswagen Audi - Audi

Add a touch of style and real carbon fiber to your Audi For coupe models only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3197455
Mfg#:
8W6071641A3Q0
Ships in 2 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.

$1410.99

This product was last offered at the strikethrough price on
10-07-2026

$1358.99 USD
This product is lifetime replacement eligible Lifetime Replacement

CTS Turbo Rear Subframe Insert Set

ES#5435532 - HW-561 - CTS Turbo Rear Subframe Insert Set - Lock down your B9 Audi's chassis and eliminate rear subframe flex with CTS Turbos billet aluminum insert set, delivering sharper handling and instant power transfer with minimal NVH. - CTS - Audi

Lock down your B9 Audi's chassis and eliminate rear subframe flex with CTS Turbo’s billet aluminum insert set, delivering sharper handling and instant power transfer with minimal NVH.

Brand:
CTS - Corporate Logo
ES#:
5435532
Mfg#:
HW-561
Ships in 3 Business Days
$149.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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

ES#2748280 - 6-ECS-018 - Wheel Spacer & Bolt Kit - 8mm With Black Ball Seat Bolts - Add some flair to your Audi with our new wheel spacers - ECS - Audi

Add some flair to your Audi with our new wheel spacers 10X Entries Into Our F80 M3 Sweepstakes
Fits most aftermarket wheels that use ball seat wheel bolts

Brand:
ECS - Corporate Logo
ES#:
2748280
Mfg#:
6-ECS-018
In Stock
ON SALE! SAVE 10%
$148.99

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

$134.09 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

H&R VTF Adjustable Lowering Springs

ES#3570746 - 23012-1 - H&R VTF Adjustable Lowering Springs - More lowering, more features, and more personalization - Average lowering range of 0.40"-1.2" front & rear - H&R - Audi

More lowering, more features, and more personalization - Average lowering range of 0.40"-1.2" front & rear We Price Match - Give Us A Call or Chat! Fits coupe models with DRC (Dynamic Ride Control)

Brand:
H&R - Corporate Logo
ES#:
3570746
Mfg#:
23012-1
Ships in 3 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.

$1480.00

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

$1332.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

H&R VTF Adjustable Lowering Springs

ES#4030757 - 23012-3 - H&R VTF Adjustable Lowering Springs - More lowering, more features, and more personalization - Average lowering range of 0.40"-1.6" front & 0.40"-1.2" rear - H&R - Audi

More lowering, more features, and more personalization - Average lowering range of 0.40"-1.6" front & 0.40"-1.2" rear We Price Match - Give Us A Call or Chat! Fits coupe models without DRC (Dynamic Ride Control)

Brand:
H&R - Corporate Logo
ES#:
4030757
Mfg#:
23012-3
Ships in 3 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.

$1480.00

This product was last offered at the strikethrough price on
09-30-2026

$1332.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Brake Pad Set

Quality brake pads from an original equipment supplier

Brand:
Akebono - Corporate Logo
ES#:
4723557
Mfg#:
4M0698151AP
Ships in 1 Business Day
$150.99

This product was last offered at the strikethrough price on
05-07-2026

$145.99 USD
Free Shipping
on orders $49 and up

Carbon Fiber Trunk Spoiler - Gloss

ES#3233956 - 8W8071641A3Q0 - Carbon Fiber Trunk Spoiler - Gloss - Add a touch of style and real carbon fiber to your Audi - Genuine Volkswagen Audi - Audi

Add a touch of style and real carbon fiber to your Audi For sportback models only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3233956
Mfg#:
8W8071641A3Q0
Ships in 2 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.

$1345.99

This product was last offered at the strikethrough price on
10-07-2026

$1296.99 USD
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Parts & Upgrades

All the performance upgrade options from the best brands in the business to help build your dreams. Our performance parts catalog is the largest anywhere and constantly growing to keep your build on track.

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

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