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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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Vacuum System Repair Kit

ES#279586 - 06A198011B - Vacuum System Repair Kit - Restore engine performance with this new kit - Genuine Volkswagen Audi - Audi Volkswagen

Restore engine performance with this new kit

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
279586
Mfg#:
06A198011B
Ships in 1 Business Day
17% off MSRP

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

$178.32

This product was last offered at the strikethrough price on
11-01-2026

$148.36 USD
Free Shipping

High Flow Inlet Pipe

ES#4420002 - CTS-HW-380 - High Flow Inlet Pipe - The biggest issue with the restrictive factory inlet is apparent when you start to increase the power. CTS engineers designed the turbo inlet to be as large as possible; yet still fit perfectly. - CTS - Audi

The biggest issue with the restrictive factory inlet is apparent when you start to increase the power. CTS engineers designed the turbo inlet to be as large as possible; yet still fit perfectly.

Brand:
CTS - Corporate Logo
ES#:
4420002
Mfg#:
CTS-HW-380
Ships on Nov 24, 2026
ON SALE! SAVE 15%
$99.99

This product was last offered at the strikethrough price on
09-29-2026

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

Silicone Turbo Inlet Hose - Audi B9 S4/S5

ES#3420204 - 024360ECS01 - Silicone Turbo Inlet Hose - Audi B9 S4/S5 - Flexible silicone smooths the intake tract & hinders collapsing. The ultimate in durability! - ECS - Audi

Flexible silicone smooths the intake tract & hinders collapsing. The ultimate in durability! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3420204
Mfg#:
024360ECS01
In Stock
ON SALE! SAVE 25%
$97.99

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

$73.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

B9 S4/S5 Charge Pipe Kit

ES#4159029 - CTS-IT-292 - B9 S4/S5 Charge Pipe Kit - 2.5" diameter piping to increase your throttle response and decrease turbo lag - CTS - Audi

2.5" diameter piping to increase your throttle response and decrease turbo lag

Brand:
CTS - Corporate Logo
ES#:
4159029
Mfg#:
CTS-IT-292
Ships in 8 Business Days
ON SALE! SAVE 15%
$199.99

This product was last offered at the strikethrough price on
09-29-2026

$169.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Pro-Line Diesel Intake System Cleaner - 400mL

ES#3514639 - 20208KT - Pro-Line Diesel Intake System Cleaner - 400mL - Clean your intake duct without removing it - Liqui-Moly - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Clean your intake duct without removing it 10X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat! Ground ship only in the contiguous U.S.

Brand:
Liqui-Moly - Corporate Logo
ES#:
3514639
Mfg#:
20208KT
In Stock
$16.99

This product was last offered at the strikethrough price on
09-29-2026

$16.19 USD
Free Shipping
on orders $49 and up

Unitronic 3" Air Filter (Gen 1)

ES#4362289 - UH003-IN4 - Unitronic 3" Air Filter (Gen 1) - Unitronic - Audi Volkswagen

Brand:
Unitronic - Corporate Logo
ES#:
4362289
Mfg#:
UH003-IN4
In Stock
$54.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Unitronic Carbon Intake System - Stock Turbo Inlet

ES#4669283 - UH030-48-INA - Unitronic Carbon Intake System - Stock Turbo Inlet - improved throttle response, seamless integration and perfect fitment while greatly enhancing turbo induction sounds. - Unitronic - Audi

improved throttle response, seamless integration and perfect fitment while greatly enhancing turbo induction sounds.

Brand:
Unitronic - Corporate Logo
ES#:
4669283
Mfg#:
UH030-48-INA
Ships in 6 Business Days
$2085.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Pro-Line Throttle Valve Cleaner - 400mL

ES#3514640 - 20210KT - Pro-Line Throttle Valve Cleaner - 400mL - Removes contamination and deposits in the intake and throttle valve area - Liqui-Moly - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Removes contamination and deposits in the intake and throttle valve area 10X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat! This item is classified as Hazardous Materials and requires special shipping and handling. We cannot ship this item out of the US

Brand:
Liqui-Moly - Corporate Logo
ES#:
3514640
Mfg#:
20210KT
In Stock
$20.29

This product was last offered at the strikethrough price on
10-06-2026

$19.95 USD
Free Shipping
on orders $49 and up

SuperDuper Air Filter, 5" Inlet

ES#4696150 - 034-108-B029 - SuperDuper Air Filter, 5" Inlet - A replacement for 034's popular S34 Intake System - 034Motorsport - Audi

A replacement for 034's popular S34 Intake System 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
4696150
Mfg#:
034-108-B029
Ships in 3 Business Days
$114.00 USD
Free Shipping

Audi / Porsche EA839 3.0T VTA Adapter System

ES#4715320 - 01-839-02093-5 - Audi / Porsche EA839 3.0T VTA Adapter System - Simple bolt-on solution for attaining the "blow-off" sound that many people are fond of on turbocharged vehicles! - Weistec - Audi Porsche

Simple bolt-on solution for attaining the "blow-off" sound that many people are fond of on turbocharged vehicles!

Brand:
Weistec - Corporate Logo
ES#:
4715320
Mfg#:
01-839-02093-5
Ships in 2 Business Days
$139.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Carbon Fiber Intake System With Inlet

ES#4758920 - UH043-INA - Carbon Fiber Intake System With Inlet - Redefining performance and airflow dynamics with unparalleled precision and style. - Unitronic - Audi

Redefining performance and airflow dynamics with unparalleled precision and style. Tune is recommend for the best performance

Brand:
Unitronic - Corporate Logo
ES#:
4758920
Mfg#:
UH043-INA
Ships in 6 Business Days
$1745.99 USD
Free Shipping
on orders $49 and up

Universal performance air filter

ES#1876583 - E-2021 - Universal performance air filter - Bolt on better performance and fuel efficiency. - K&N - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Bolt on better performance and fuel efficiency.

Brand:
K&N - Corporate Logo
ES#:
1876583
Mfg#:
E-2021
In Stock
$68.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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

ES#3545247 - 023796ECS04 - Audi B9 S4/S5 3.0T Kohlefaser 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 Carbon Fiber 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 Carbon Fiber Cold Air Intake 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3545247
Mfg#:
023796ECS04
In Stock
Limited Qty Sale
$998.99

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

$796.99 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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