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Audi B9 S4 Quattro 3.0T

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Audi B9 S4 Quattro 3.0T Most Popular Parts

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APR Iridium Pro Spark Plugs With Ignition Coils - Set Of 6

ES#4905912 - Z1004081W6ICKT - APR Iridium Pro Spark Plugs With Ignition Coils - Set Of 6 - Unleash Your Engine's Potential with APR - APR - Audi Porsche

Unleash Your Engine's Potential with APR Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
APR - Corporate Logo
ES#:
4905912
Mfg#:
Z1004081W6ICKT
In Stock
$479.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

IE Performance Cast Downpipe

ES#4473979 - IEEXCK3 - IE Performance Cast Downpipe - Features a TIG-welded 304 stainless and investment cast body and offers gains up to 45HP & 41TQ - Integrated Engineering - Audi

Features a TIG-welded 304 stainless and investment cast body and offers gains up to 45HP & 41TQ affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
4473979
Mfg#:
IEEXCK3
In Stock
$1099.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance High-Flow Air Intake System - 6" Velocity Stack

ES#4045629 - CTS-IT-290R - Performance High-Flow Air Intake System - 6" Velocity Stack - 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! - CTS - 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! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CTS - Corporate Logo
ES#:
4045629
Mfg#:
CTS-IT-290R
Back Ordered
Auto Notify
$299.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

034Motorsport PCV Breather Hose - EA839 3.0T

ES#4849697 - 034-101-3108 - 034Motorsport PCV Breather Hose - EA839 3.0T - Upgrade your failure-prone PCV breather hose with the high-performance, reliable 034Motorsport PCV Breather Hose - 034Motorsport - Audi

Upgrade your failure-prone PCV breather hose with the high-performance, reliable 034Motorsport PCV Breather Hose affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4849697
Mfg#:
034-101-3108
In Stock
ON SALE! SAVE 10%
$249.00

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

$224.10 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear Brake Rotors - Pair (330x22)

ES#2597382 - 4H0615601HZIMKT - Rear Brake Rotors - Pair (330x22) - Featuring Zimmermann's "Coat Z" coating for corrosion resistance - Zimmermann - Audi
ECS Tuning recommends this product.

Featuring Zimmermann's "Coat Z" coating for corrosion resistance 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#:
2597382
Mfg#:
4H0615601HZIMKT
In Stock
$185.98 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Aero Wiper Blade Set

ES#2739371 - 3397007297 - Front Aero Wiper Blade Set - Clear up streaks & improve rainy day visibility - Bosch - Audi Volkswagen Porsche
ECS Tuning recommends this product.

Clear up streaks & improve rainy day visibility 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:
Bosch - Corporate Logo
ES#:
2739371
Mfg#:
3397007297
In Stock
$24.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front & Rear Brake Pad Kit - EBC RedStuff

ES#4031339 - dp32254cKT - Front & Rear Brake Pad Kit - EBC RedStuff - High performance street pad featuring Kevlar technology. - EBC - Audi

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!

Brand:
EBC - Corporate Logo
ES#:
4031339
Mfg#:
DP32254CKT
In Stock
$348.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Aluminum Charge Pipe Kit

ES#4685216 - IETPCK6 - Performance Aluminum Charge Pipe Kit - Eliminate factory bottlenecks and weak plastic materials for increased flow and strength. - Integrated Engineering - Audi

Eliminate factory bottlenecks and weak plastic materials for increased flow and strength. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
4685216
Mfg#:
IETPCK6
In Stock
$447.99 USD
Free Shipping

Spark Plugs - Set Of Six

ES#3691957 - 06m905606fKT - Spark Plugs - Set Of Six - Keep your engine running strong - Genuine Volkswagen Audi - Audi

Keep your engine running strong affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3691957
Mfg#:
06M905606FKT
Ships in 2 Business Days
$87.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Audi B9 (S4/S5/SQ5) – Pure750 Upgraded Turbocharger

ES#4642701 - PURE-30T750KT - Audi B9 (S4/S5/SQ5) Pure750 Upgraded Turbocharger - Crank up your B9 over 700+awhp with this kit! Price includes a $800.00 refundable core charge. - Pure Turbos - Audi

Crank up your B9 over 700+awhp with this kit! Price includes a $800.00 refundable core charge. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Pure Turbos - Corporate Logo
ES#:
4642701
Mfg#:
PURE-30T750KT
Ships on Aug 4, 2026
Auto Notify
$3426.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Charcoal Lined Cabin Air Filter

ES#3448685 - 4M0819439A - Charcoal Lined Cabin Air Filter - The activated charcoal filters odor from reaching the cabin - Hengst - Audi Porsche
ECS Tuning recommends this product.

The activated charcoal filters odor from reaching the cabin 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! Hengst is our preferred OEM filtration supplier!

Brand:
Hengst - Corporate Logo
ES#:
3448685
Mfg#:
4M0819439A
In Stock
$24.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

FDS Front-Mount Intercooler Kit - Silver

ES#3470702 - IETPCK1 - FDS Front-Mount Intercooler Kit - Silver - Increase horsepower and eliminate heatsoak - Drop-in intercooler requires no cutting, trimming, or mods! - Integrated Engineering - Audi

Increase horsepower and eliminate heatsoak - Drop-in intercooler requires no cutting, trimming, or mods! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
3470702
Mfg#:
IETPCK1
In Stock
$1034.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

PCV Breather Hose/Turbo Inlet Manifold

ES#3678755 - 06M129041 - PCV Breather Hose/Turbo Inlet Manifold - Receiving an engine code calling out a boost leak, it may be your breather hose - Genuine Volkswagen Audi - Audi

Receiving an engine code calling out a boost leak, it may be your breather hose affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3678755
Mfg#:
06M129041
In Stock
7% off MSRP

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

$188.33

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

$175.79 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

19" Style 628 Wheels - Set Of Four

ES#2724024 - 628-9KT - 19" Style 628 Wheels - Set Of Four - 19"x8.5" ET35 5x112 - Gloss Gunmetal/Machined Face - Alzor - Audi MINI

19"x8.5" ET35 5x112 - Gloss Gunmetal/Machined Face affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Alzor - Corporate Logo
ES#:
2724024
Mfg#:
628-9KT
In Stock
ON SALE! SAVE 25%
$1300.00

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

$975.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

IE Cat-Back Exhaust System - B9/B9.5 S4

ES#4709360 - IEEXCK5 - IE Cat-Back Exhaust System - B9/B9.5 S4 - Delivers a truly aggressive exhaust note without any annoying drone or rasp - Integrated Engineering - Audi

Delivers a truly aggressive exhaust note without any annoying drone or rasp affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
4709360
Mfg#:
IEEXCK5
In Stock
$1687.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

APR Iridium Pro Spark Plugs - Set Of 6

ES#4905816 - Z1004081X6KT - APR Iridium Pro Spark Plugs - Set Of 6 - Designed for high performance / tuned vehicle applications - APR - Audi Porsche

Designed for high performance / tuned vehicle applications Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
APR - Corporate Logo
ES#:
4905816
Mfg#:
Z1004081X6KT
In Stock
$161.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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