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Audi B9 S4 Quattro 3.0T

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Stage 2 IE Performance ECU Tune - Includes Stage 1 TCU Tune & POWERlink Cable

ES#4418873 - IESOVZ12 - Stage 2 IE Performance ECU Tune - Includes Stage 1 TCU Tune & POWERlink Cable - Average gain of 138 horsepower and 178 lb-ft of torque on 91 Octane with full bolts-ons - Integrated Engineering - Audi

Average gain of 138 horsepower and 178 lb-ft of torque on 91 Octane with full bolts-ons affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!
Perform tune in minutes from the comfort of your own driveway! Only available for purchase in the United States and Canada.
Requires downpipe, intake, and intercooler upgrades.

Brand:
Integrated Engineering - Corporate Logo
ES#:
4418873
Mfg#:
IESOVZ12
In Stock
$1178.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Premium Low-Met OE Equivalent Pad - Front

ES#4486468 - 4M0698151AP - Premium Low-Met OE Equivalent Pad - Front - Quality brake pads from an original equipment supplier - Brembo - Audi

Quality brake pads from an original equipment supplier affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Brembo - Corporate Logo
ES#:
4486468
Mfg#:
4M0698151AP
In Stock
31% off MSRP

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

$122.99

This product was last offered at the strikethrough price on
01-21-2026

$84.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

KOMPACT EM BOV VR18 Plum Back

ES#4745487 - TS-0223-1279 - KOMPACT EM BOV VR18 Plum Back - Seamlessly install a Kompact EM Valve without the need for adaptors, hoses, or additional assembly. - TurboSmart - Audi

Seamlessly install a Kompact EM Valve without the need for adaptors, hoses, or additional assembly. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
TurboSmart - Corporate Logo
ES#:
4745487
Mfg#:
TS-0223-1279
In Stock at Vendor
10% off MSRP

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

$309.99

This product was last offered at the strikethrough price on
07-06-2026

$278.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Edge European Formula Full Synthetic Engine Oil (5w-40) - 5 Quart

ES#3478518 - 03247 - Edge European Formula Full Synthetic Engine Oil (5w-40) - 5 Quart - Meets VAG 502.00/505.00 and Porsche A40 specifications - Castrol - Audi Volkswagen

Meets VAG 502.00/505.00 and Porsche A40 specifications affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Castrol - Corporate Logo
ES#:
3478518
Mfg#:
03247
In Stock
$75.84

This product was last offered at the strikethrough price on
07-06-2026

$75.80 USD
Free Shipping
on orders $49 and up

Premium Ceramic OE Equivalent Pad - Rear

ES#4486872 - 8W0698451N - Premium Ceramic OE Equivalent Pad - Rear - Quality low dust ceramic pad from an original equipment supplier - Brembo - Audi

Quality low dust ceramic pad from an original equipment supplier affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Brembo - Corporate Logo
ES#:
4486872
Mfg#:
8W0698451N
In Stock
$71.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

19" Wheel Spacer Flush Fit Kit - Black Bolts

ES#3240970 - 023881ecs01KT - 19" Wheel Spacer Flush Fit Kit - Black Bolts - Includes ECS spacers & Black bolts to obtain a flush look on your OE 19" wheels - ECS - Audi

Includes ECS 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:
ECS - Corporate Logo
ES#:
3240970
Mfg#:
023881ECS01KT
Ships on Jul 23, 2026
Auto Notify
ON SALE!
$271.99

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

$263.83 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

IE ProCore Performance Cast Downpipe - B9 S4/S5

ES#4708493 - IEEXCK6 - IE ProCore Performance Cast Downpipe - B9 S4/S5 - Check-Engine Light free! An emissions-friendly approach to exhaust upgrades! - Integrated Engineering - Audi

Check-Engine Light free! An emissions-friendly approach to exhaust upgrades! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
4708493
Mfg#:
IEEXCK6
Ships in 4 Business Days
$2874.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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

ES#2748279 - 6-ECS-015 - Wheel Spacer & Bolt Kit - 5mm 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#:
2748279
Mfg#:
6-ECS-015
In Stock
ON SALE! SAVE 25%
$140.99

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

$105.74 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Unitronic Intercooler Upgrade 3.0TFSI B9 S4/S5

ES#4362352 - UH017-ICA - Unitronic Intercooler Upgrade 3.0TFSI B9 S4/S5 - Direct OEM replacement kit featuring an over-sized bar and plate intercooler core made from cast aluminum core and end tanks, proprietary internal fin and louver configuration, and 79% more volume than OEM! - Unitronic - Audi

Direct OEM replacement kit featuring an over-sized bar and plate intercooler core made from cast aluminum core and end tanks, proprietary internal fin and louver configuration, and 79% more volume than OEM! 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!

Brand:
Unitronic - Corporate Logo
ES#:
4362352
Mfg#:
UH017-ICA
Ships in 2 Business Days
$949.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Dynamic Floating Center Cap "Spin Wheel Cap" - Set Of 4 (Audi Logo)

ES#4413814 - 4M8071006A - Dynamic Floating Center Cap "Spin Wheel Cap" - Set Of 4 (Audi Logo) - Distinctive look with a fascinating presentation. - Genuine Volkswagen Audi - Audi

Distinctive look with a fascinating presentation. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4413814
Mfg#:
4M8071006A
Ships in 1 day
ON SALE!
$247.99

This product was last offered at the strikethrough price on
06-03-2026

$227.42 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front & Rear Cross-Drilled Brake Rotor Kit - No Pads

ES#4447160 - 4m0615301an4ktKT - Front & Rear Cross-Drilled Brake Rotor Kit - No Pads - Features an Anti-Corrosion coating "Anti-Z" - Zimmermann - Audi

Features an Anti-Corrosion coating "Anti-Z" affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Zimmermann - Corporate Logo
ES#:
4447160
Mfg#:
4M0615301AN4KTKT
In Stock
$820.99

This product was last offered at the strikethrough price on
04-29-2026

$705.96 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Titanium Ball Seat Wheel Bolt - 14x1.5x27mm - Priced Each

ES#3552850 - 025384ECS02-01 - Titanium Ball Seat Wheel Bolt - 14x1.5x27mm - Priced Each - Lightweight, corrosion resistant, high performance lug bolt - ECS - Audi Volkswagen

Lightweight, corrosion resistant, high performance lug bolt affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Stock length bolt for use without spacers

Brand:
ECS - Corporate Logo
ES#:
3552850
Mfg#:
025384ECS02-01
In Stock
ON SALE! SAVE 25%
$32.99

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

$24.74 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Conical Seat Tuner Spline Bolt Set - Standard Length - Chrome

ES#3246216 - TunerBoltKit - Conical Seat Tuner Spline Bolt Set - Standard Length - Chrome - Full set of chrome tuner style, socket-specific lug bolts. 14x1.5x27mm - Rohana Wheels - Audi BMW Volkswagen

Full set of chrome tuner style, socket-specific lug bolts. 14x1.5x27mm affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Rohana Wheels - Corporate Logo
ES#:
3246216
Mfg#:
TUNERBOLTKIT
In Stock
$70.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Res-X Resonator Delete Pipe And X-Pipe

ES#4315893 - 034-105-7051 - Res-X Resonator Delete Pipe And X-Pipe - Transform your exhaust note - 034Motorsport - Audi

Transform your exhaust note affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4315893
Mfg#:
034-105-7051
In Stock
ON SALE! SAVE 10%
$443.00

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

$398.70 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

VWR Stud & Nut Conversion Kit - Conical Seat - 80mm Studs

ES#4315343 - VWR630003 - VWR Stud & Nut Conversion Kit - Conical Seat - 80mm Studs - Replace those fussy bolts with Racingline's high tensile stud & lightweight nut conversion - Racingline - Audi Volkswagen

Replace those fussy bolts with Racingline's high tensile stud & lightweight nut conversion affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Racingline - Corporate Logo
ES#:
4315343
Mfg#:
VWR630003
Ships in 1-2 days
ON SALE! SAVE 10%
$206.99

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

$185.64 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

CTS High Performance Red Ignition Coil For Gen3 TSI - Priced Each

ES#4419973 - CTS-IGN-007 - CTS High Performance Red Ignition Coil For Gen3 TSI - Priced Each - These are the perfect replacement or upgrade to your FSI/TSI/TFSI engine to keep it running at its peak performance. - CTS - Audi Volkswagen

These are the perfect replacement or upgrade to your FSI/TSI/TFSI engine to keep it running at it’s peak performance. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CTS - Corporate Logo
ES#:
4419973
Mfg#:
CTS-IGN-007
Ships in 1-3 days
$39.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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Manufacturer names and/or part numbers are used only for identification purposes.

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