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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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Audi B9 S4/S5 ECU Cover - Matte Black

ES#3740044 - 028798ECS01 - Audi B9 S4/S5 ECU Cover - Matte Black - Compliment your engine bay and hide away the exposed ECU - ECS - Audi

Compliment your engine bay and hide away the exposed ECU affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3740044
Mfg#:
028798ECS01
In Stock
ON SALE! SAVE 25%
$103.99

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

$77.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Wheel Spacer & Bolt Kit - 15mm With Ball Seat Bolts

ES#2603081 - 002411ECS03AKT2 - Wheel Spacer & Bolt Kit - 15mm With Ball Seat Bolts - Complete kit for two wheels, includes everything you need to install spacers - ECS - Audi

Complete kit for two wheels, includes everything you need to install 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#:
2603081
Mfg#:
002411ECS03AKT2
In Stock
ON SALE! SAVE 25%
$171.99

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

$128.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Ball Seat Locking Wheel Bolt Kit

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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For use with 15-17.5mm spacers

Brand:
ECS - Corporate Logo
ES#:
2795753
Mfg#:
003901ECS45BB
In Stock
ON SALE! SAVE 25%
$82.99

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

$62.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Bosch Ignition Service Kit

ES#4475329 - 06M905606F7KT - Bosch Ignition Service Kit - Includes six Bosch coil packs and OEM spark plugs to service your ignition system - Assembled By ECS - Audi

Includes six Bosch coil packs and OEM spark plugs to service your ignition system 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#:
4475329
Mfg#:
06M905606F7KT
Ships in 1-2 days
$575.01

This product was last offered at the strikethrough price on
02-14-2026

$367.43 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

P34 Cold Air Intake System

ES#4619952 - 034-108-1055 - P34 Cold Air Intake System - Delivers improved power, sound, and acceleration in a clean OEM+ package. - 034Motorsport - Audi

Delivers improved power, sound, and acceleration in a clean OEM+ package. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4619952
Mfg#:
034-108-1055
In Stock
ON SALE! SAVE 10%
$576.00

This product was last offered at the strikethrough price on
06-28-2026

$518.40 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

15mm Wheel Spacers - Black (Pair)

ES#3476433 - 021460TMS03-04 - 15mm Wheel Spacers - Black (Pair) - Lightweight wheel spacers with a machined tab for easy removal - Turner Motorsport - Audi BMW MINI Porsche

Lightweight wheel spacers with a machined tab for easy removal affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
3476433
Mfg#:
021460TMS03-04
In Stock
ON SALE! SAVE 15%
$151.99

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

$129.19 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Wheel Spacer & Bolt Kit - 15mm With Black Ball Seat Bolts

ES#4723527 - 002411ECS03AKBKT - Wheel Spacer & Bolt Kit - 15mm With Black Ball Seat Bolts - Complete kit for two wheels, includes everything you need to install spacers - ECS - Audi

Complete kit for two wheels, includes everything you need to install 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#:
4723527
Mfg#:
002411ECS03AKBKT
In Stock
ON SALE! SAVE 25%
$190.99

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

$143.24 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Ignition Service Kit

ES#3691949 - 06h905110lkt5KT - Ignition Service Kit - Includes six red top coil packs, OEM spark plugs, and dielectric spark plug boot protector to service your ignition! - Assembled By ECS - Audi

Includes six red top coil packs, OEM spark plugs, and dielectric spark plug boot protector to service your ignition! 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#:
3691949
Mfg#:
06H905110LKT5KT
Ships in 1-2 days
ON SALE!
$321.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Dynamic+ Lowering Springs

ES#4708426 - 034-404-1017 - Dynamic+ Lowering Springs - The perfect solution for lowering your vehicle and improving handling while retaining excellent ride quality. - 034Motorsport - Audi

The perfect solution for lowering your vehicle and improving handling while retaining excellent ride quality. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For coupe models only

Brand:
034Motorsport - Corporate Logo
ES#:
4708426
Mfg#:
034-404-1017
Back Ordered
Auto Notify
ON SALE! SAVE 10%
$326.00

This product was last offered at the strikethrough price on
06-28-2026

$293.40 USD
Free Shipping

Non-Resonated (Loudest) Cat back System

ES#4622083 - B9RS5SBPDK - Non-Resonated (Loudest) Cat back System - An entire system from the cat back for a full sound overhaul! - Milltek Sport - Audi

An entire system from the cat back for a full sound overhaul! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For Sportback Models Only

Brand:
Milltek Sport - Corporate Logo
ES#:
4622083
Mfg#:
B9RS5SBPDK
Ships in 3 Business Days
ON SALE!
Starting at $3506.28 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

DR Series Wheel Spacers (Black) - 12mm (1 Pair)

ES#3618485 - 2455668SW - DR Series Wheel Spacers (Black) - 12mm (1 Pair) - Get a new set of spacers and widen the stance of your vehicle - H&R - Audi MINI Porsche

Get a new set of spacers and widen the stance of your vehicle 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!
Maximum factory hub height of up to 13.5mm. Inside wheel bevel = 4.0 x 45 degrees

Brand:
H&R - Corporate Logo
ES#:
3618485
Mfg#:
2455668SW
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.

$109.99

This product was last offered at the strikethrough price on
07-01-2026

$98.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

EMD Auto 10mm Wheel Spacers - Pair (With Bolts)

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

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

Semi-Resonated (Road+) Cat-Back Exhaust System

ES#4623299 - B9RS5SBSEMI - Semi-Resonated (Road+) Cat-Back Exhaust System - An entire system from the cat back for a full sound overhaul! - Milltek Sport - Audi

An entire system from the cat back for a full sound overhaul! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For Sportback Models Only

Brand:
Milltek Sport - Corporate Logo
ES#:
4623299
Mfg#:
B9RS5SBSEMI
Ships in 3 Business Days
ON SALE!
Starting at $3399.39 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Weistec Audi / Porsche VAG EA839 2.9T W.3 Turbo Upgrade

ES#4715591 - 01-839-02111-6 - Weistec Audi / Porsche VAG EA839 2.9T W.3 Turbo Upgrade - +130 HP, and +114lb-ft TQ. 100% Bolt-on installation / Upgrade. You are required to ship Weistec your OE turbochargers as a core / to be upgraded. - Weistec - Audi Porsche

+130 HP, and +114lb-ft TQ. 100% Bolt-on installation / Upgrade. You are required to ship Weistec your OE turbochargers as a core / to be upgraded. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
You are required to ship Weistec your OE turbochargers as a core.

Brand:
Weistec - Corporate Logo
ES#:
4715591
Mfg#:
01-839-02111-6
Ships in 1 Business Day
$3399.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Semi-Resonated (Road+) Cat-Back Exhaust System

ES#4159757 - B9RS5SEMIRESONAT - Semi-Resonated (Road+) Cat-Back Exhaust System - An entire system from the cat back for a full sound overhaul! - Milltek Sport - Audi

An entire system from the cat back for a full sound overhaul! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For Coupe Models Only

Brand:
Milltek Sport - Corporate Logo
ES#:
4159757
Mfg#:
B9RS5SEMIRESONAT
Ships in 3 Business Days
ON SALE!
Starting at $3365.69 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front & Rear Exact-Fit Stainless Steel Brake Lines - Kit

ES#3491660 - 024921ecs01KT - Front & Rear Exact-Fit Stainless Steel Brake Lines - Kit - Complete set of DOT-compliant lines for an improved pedal feel - ECS - Audi

Complete 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#:
3491660
Mfg#:
024921ECS01KT
Ships in 7 Business Days
$235.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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