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Audi B9 S4 Quattro 3.0T

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Audi B9 S4 Quattro 3.0T Engine Intake Parts

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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

P34 SuperDuper Insuction Bundle

ES#4858324 - 034-108-5048 - P34 SuperDuper Insuction Bundle - 034Motorsport's P34 Cold Air Intake System delivers improved power, sound, and acceleration - 034Motorsport - Audi

034Motorsport's P34 Cold Air Intake System delivers improved power, sound, and acceleration affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4858324
Mfg#:
034-108-5048
In Stock
$702.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Luft-Technik B9 S4 Front Mount Intercooler

ES#3537699 - 019219ecs01aKT - Luft-Technik B9 S4 Front Mount Intercooler - Reduce restrictions and increase cooling! - ECS - Audi

Reduce restrictions and increase cooling! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

For Pre-Facelift Models Only up to 11/08/2021

Brand:
ECS - Corporate Logo
ES#:
3537699
Mfg#:
019219ECS01AKT
Ships on Sep 23, 2026
Auto Notify
ON SALE! SAVE 18%
$727.99

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

$594.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

AWE ColdFront Intercooler - Audi B9 S4/S5 3.0T

ES#4044047 - 4510-11060 - AWE ColdFront Intercooler - Audi B9 S4/S5 3.0T - Offers a 130% increase in frontal surface area and a massive 83% increase in volume over the factory B9 intercooler - AWE - Audi

Offers a 130% increase in frontal surface area and a massive 83% increase in volume over the factory B9 intercooler affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
AWE - Corporate Logo
ES#:
4044047
Mfg#:
4510-11060
Ships in 1-3 days
$945.00 USD
This product is lifetime replacement eligible Lifetime Replacement

Diverter Valve

ES#3640324 - 06M145710F - Diverter Valve - Cure the boost leak and restore power - Genuine Volkswagen Audi - Audi

Cure the boost leak and restore power affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3640324
Mfg#:
06M145710F
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.

$178.33

This product was last offered at the strikethrough price on
06-04-2026

$160.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

APR Intake System - 3.0T S4/S5

ES#4876483 - CI100072 - APR Intake System - 3.0T S4/S5 - Add a sporty, refined tone without being overbearing - APR - Audi

Add a sporty, refined tone without being overbearing 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#:
4876483
Mfg#:
CI100072
In Stock
11% off MSRP

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

$633.99

This product was last offered at the strikethrough price on
06-04-2026

$562.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

B9 S4/S5 Turbo Inlet Pipe

ES#4419077 - IEINCK4 - B9 S4/S5 Turbo Inlet Pipe - Take full advantage of all available space with a unique shape to maximize airflow! - Integrated Engineering - Audi

Take full advantage of all available space with a unique shape to maximize airflow! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
4419077
Mfg#:
IEINCK4
In Stock
$177.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Competition Intercooler Kit

ES#4017614 - 200001120 - Competition Intercooler Kit - The high performance intercooler core provides a 134% larger frontal area and 105% more volume compared to the stock mounted intercooler. - Wagner Tuning - Audi

The high performance intercooler core provides a 134% larger frontal area and 105% more volume compared to the stock mounted intercooler. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
**This kit is for US vehicle fitment**

Brand:
Wagner Tuning - Corporate Logo
ES#:
4017614
Mfg#:
200001120
Ships in 9 Business Days
Auto Notify
$1040.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

B9 S4/S5 Post Throttle Valve Charge Pipe Kit - Wrinkle Red

ES#3579787 - 024313ecs01-02KT - B9 S4/S5 Post Throttle Valve Charge Pipe Kit - Wrinkle Red - Ditch the plastic and increase air flow! - ECS - Audi

Ditch the plastic and increase air flow! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3579787
Mfg#:
024313ECS01-02KT
Ships on Aug 3, 2026
Auto Notify
ON SALE! SAVE 20%
$764.99

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

$611.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oil Separator/Pressure Control Valve (PCV)

ES#4772517 - 06M103515H - Oil Separator/Pressure Control Valve (PCV) - Also known as the "PCV". Located on the valve cover - Bremmen Parts - Audi Porsche

Also known as the "PCV". Located on the valve cover affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4772517
Mfg#:
06M103515H
Ships on Aug 4, 2026
Auto Notify
$104.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Audi B9 S4/S5 3.0T Luft-Technik Intake System

ES#3477816 - 023795ECS06 - Audi B9 S4/S5 3.0T Luft-Technik Intake System - Enhance your engine's performance with gains up to 16 Wheel Horsepower and 15 foot pounds of torque with our ECS Cold Air Intake - ECS - Audi

Enhance your engine's performance with gains up to 16 Wheel Horsepower and 15 foot pounds of torque with our ECS Cold Air Intake affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3477816
Mfg#:
023795ECS06
In Stock
ON SALE! SAVE 19%
$529.99

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

$429.99 USD
Free Shipping
on orders $49 and up
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

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

Basic Oil Separator/Pressure Control Valve (PCV) Service Kit

ES#4781296 - 06M103515HKT - Basic Oil Separator/Pressure Control Valve (PCV) Service Kit - Replace your leaking PCV - Assembled By ECS - Audi Porsche

Replace your leaking PCV 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#:
4781296
Mfg#:
06M103515HKT
In Stock
ON SALE! SAVE 18%
$132.99

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

$108.78 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

B9/B9.5 S4 & S5 3.0T IE Carbon Fiber Intake System

ES#4346278 - IEINCK3 - B9/B9.5 S4 & S5 3.0T IE Carbon Fiber Intake System - One-Piece carbon fiber construction that adds up to +16HP/TQ - Integrated Engineering - Audi

One-Piece carbon fiber construction that adds up to +16HP/TQ affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
4346278
Mfg#:
IEINCK3
In Stock
$1091.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

034Motorsport Turbo Inlet Pipe

ES#4620408 - 034-108-5012 - 034Motorsport Turbo Inlet Pipe - Optimize power by eliminating a critical flow restriction in the intake tract - 034Motorsport - Audi

Optimize power by eliminating a critical flow restriction in the intake tract affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4620408
Mfg#:
034-108-5012
In Stock
$153.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B9 S4/S5/SQ5 3.0T Big Bore Cast Aluminum Turbo Inlet Pipe

ES#3647752 - 027714ECS01 - Audi B9 S4/S5/SQ5 3.0T Big Bore Cast Aluminum Turbo Inlet Pipe - Remove the plastic and reduce restriction at your turbo - ECS - Audi

Remove the plastic and reduce restriction at your turbo affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3647752
Mfg#:
027714ECS01
In Stock
ON SALE! SAVE 27%
$193.99

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

$141.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Intake Parts

All engine performance begins with engine breathing. That's why we have a large inventory of stock and performance intake manifolds, and related intake manifold parts, including MAF sensors, intake hoses, cold air intake systems, and engine air filters for both normally aspirated and forced induction engines. To perform it's best, your engine needs to breathe clean and breathe free.

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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