Shop Our Clearance Sale - Up To 80% Off FREE SHIPPING on Orders $49+ *exclusions apply

Menu

Call Us330-331-2003 ChatLive Chat Text Us!
0 Shopping Cart
Your Vehicle

No Vehicle selected
Please select your vehicle below.

    • Audi
    • BMW
    • Mercedes Benz
    • MINI
    • Porsche
    • Volkswagen

Saved Vehicles

My Vehicles
You currently have no stored vehicles.

Recent Vehicles

Recent Vehicles Manage Vehicles

You currently have no recent vehicles.

We'll automatically keep fully selected vehicles here for your convenience.

Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
0
Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
Cancel
0
Sales & Specials
Enter Your Vehicle
garage-red
Your Vehicle Please tap 'Select' to pick a vehicle
Your Vehicle Please tap 'Select' to pick a vehicle
Select

Audi S4 Engine Intake Parts

Sort By
Filter By
Return to Top

CTS Turbo Air Intake System - True 3.5" Velocity Stack

ES#4017702 - CTS-IT-300R - CTS Turbo Air Intake System - True 3.5" Velocity Stack - NEW UPDATED DESIGN! True 3.5 intake for maximum airflow - 3.5" mandrel bent piping with huge 6 velocity stack air filter! - CTS - Audi

NEW UPDATED DESIGN! True 3.5″ intake for maximum airflow - 3.5" mandrel bent piping with huge 6″ velocity stack air filter! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CTS - Corporate Logo
ES#:
4017702
Mfg#:
CTS-IT-300R
In Stock
$329.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

S34 SuperDuper Insuction Bundle

ES#4733652 - 034-108-5046 - S34 SuperDuper Insuction Bundle - Delivers improved power, sound, and acceleration to Audi B9/B9.5 S4/S5 owners within a clean, cost-effective package. - 034Motorsport - Audi

Delivers improved power, sound, and acceleration to Audi B9/B9.5 S4/S5 owners within a clean, cost-effective package. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4733652
Mfg#:
034-108-5046
In Stock
$613.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

FDS Front-Mount Intercooler Kit - Black

ES#4505840 - IETPCK1-BK - FDS Front-Mount Intercooler Kit - Black - 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#:
4505840
Mfg#:
IETPCK1-BK
Ships in 8 Business Days
$1034.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Stage 2.5 Boost-Controlled Water/Meth Injection Kit

ES#2855201 - SN0210 - Stage 2.5 Boost-Controlled Water/Meth Injection Kit - Features a gauge pod controller, which allows for the best control and visibility. 7-color OLED displays boost, percentage of flow, low level, and even faults. - SnowPerformance - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Features a gauge pod controller, which allows for the best control and visibility. 7-color OLED displays boost, percentage of flow, low level, and even faults. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Gauge Pod controller, for optimum control even from the driver's seat!

Brand:
SnowPerformance - Corporate Logo
ES#:
2855201
Mfg#:
SN0210
In Stock
$583.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Supercharger Intercooler - Priced Each

ES#4683064 - 06E145621S - Supercharger Intercooler - Priced Each - OE Internal charge air cooler in the supercharger compressor - Nissens - Audi

OE Internal charge air cooler in the supercharger compressor We Price Match - Give Us A Call or Chat! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Nissens - Corporate Logo
ES#:
4683064
Mfg#:
06E145621S
In Stock at Vendor
$514.99

This product was last offered at the strikethrough price on
02-01-2026

$444.20 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

IE Polymer Air Intake System - B9/B9.5 S4 & S5 3.0T

ES#4668695 - IEINCK5 - IE Polymer Air Intake System - B9/B9.5 S4 & S5 3.0T - Up to 19hp & 21ft-lbs over stock! - Integrated Engineering - Audi

Up to 19hp & 21ft-lbs over stock! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
4668695
Mfg#:
IEINCK5
In Stock
$522.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi & VW Direct Injection Carbon Cleaning Kit - Level 2

ES#4000812 - 034-108-Z05KT - Audi & VW Direct Injection Carbon Cleaning Kit - Level 2 - Featuring 034 Motorsport direct injection port cleaning tool, walnut shell blast media (50lbs), and a Bav Auto V3 Media Blaster Tank - Assembled By ECS - Audi Volkswagen

Featuring 034 Motorsport direct injection port cleaning tool, walnut shell blast media (50lbs), and a Bav Auto V3 Media Blaster Tank 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#:
4000812
Mfg#:
034-108-Z05KT
Back Ordered
ON SALE! SAVE 18%
$342.99

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

$279.87 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Basic Oil Separator/Pressure Control Valve (PCV) Kit

ES#4698595 - 06m103515fKT - Basic Oil Separator/Pressure Control Valve (PCV) Kit - Replace your leaking PCV - Genuine Volkswagen Audi - Audi

Replace your leaking PCV affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4698595
Mfg#:
06M103515FKT
In Stock
$167.99

This product was last offered at the strikethrough price on
02-24-2026

$152.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Competition Intercooler With Charge Pipe Kit

ES#4418610 - 200001120.PIPE - Competition Intercooler With Charge Pipe Kit - The high performance intercooler core provides a 134% larger frontal area and 105% more volume compared to the stock mounted intercooler. Includes charge pipe kit. - Wagner Tuning - Audi

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

Brand:
Wagner Tuning - Corporate Logo
ES#:
4418610
Mfg#:
200001120.PIPE
Ships on Jun 25, 2026
Auto Notify
$1140.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Supercharger Intercooler Core - Priced Each

ES#3179078 - 06E145621S - Supercharger Intercooler Core - Priced Each - Internal charge air cooler in the supercharger compressor - Genuine Volkswagen Audi - Audi

Internal charge air cooler in the supercharger compressor affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3179078
Mfg#:
06E145621S
In Stock
$653.99

This product was last offered at the strikethrough price on
04-19-2026

$521.50 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

VW MK8 2.0T / Audi 3.0T Diverter Valve Spacer - Clear Anodized

ES#4033242 - 028495ECS01 - VW MK8 2.0T / Audi 3.0T Diverter Valve Spacer - Clear Anodized - Let your turbo blow off some air for an exhilarating driving experience! - ECS - Audi Volkswagen

Let your turbo blow off some air for an exhilarating driving experience! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4033242
Mfg#:
028495ECS01
In Stock
ON SALE! SAVE 20%
$87.99

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

$69.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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

ES#4782919 - 06M129041KT2 - Ultimate Oil Separator/Pressure Control Valve (PCV) Service Kit - Comprehensive kit includes the PCV, Breather lines, and all required hardware - Assembled By ECS - Audi

Comprehensive kit includes the PCV, Breather lines, and all required hardware 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#:
4782919
Mfg#:
06M129041KT2
In Stock
ON SALE!
$303.99

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

$291.94 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

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

ES#4782917 - 06M129041KT - Ultimate Oil Separator/Pressure Control Valve (PCV) Service Kit - Comprehensive kit includes the PCV, Breather lines, and all required hardware - Genuine Volkswagen Audi - Audi

Comprehensive kit includes the PCV, Breather lines, and all required hardware affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4782917
Mfg#:
06M129041KT
In Stock
$325.99 USD
Free Shipping
on orders $49 and up
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

Oil Separator/Pressure Control Valve (PCV)

ES#4620647 - 06E103547AC - Oil Separator/Pressure Control Valve (PCV) - Located beneath the supercharger compressor - Hengst - Audi Porsche
ECS Tuning recommends this product.

Located beneath the supercharger compressor 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!
Up to the 2012 model year

Brand:
Hengst - Corporate Logo
ES#:
4620647
Mfg#:
06E103547AC
In Stock
ON SALE! SAVE 12%
$130.99

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

$114.74 USD
Free Shipping
on orders $49 and up
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.

Let us help you find the parts that fit your Audi

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

Terms of Use Privacy Policy ECS Tuning is part of Enthusiast Auto Holdings