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Audi S4 Engine Intake Parts

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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! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3579787
Mfg#:
024313ECS01-02KT
In Stock
ON SALE! SAVE 20%
$780.99

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

$624.79 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

710N Diverter Valve - Priced Each

ES#2739493 - 06A145710N - 710N Diverter Valve - Priced Each - A great upgrade for stock to mildly tuned engines - Kayser - Audi Volkswagen

A great upgrade for stock to mildly tuned engines Two per vehicle

Brand:
Kayser - Corporate Logo
ES#:
2739493
Mfg#:
06A145710N
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.

$46.99

This product was last offered at the strikethrough price on
07-21-2026

$41.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Separator/Pressure Control Valve (PCV)

ES#4818453 - 06E103547AH - Oil Separator/Pressure Control Valve (PCV) - Located beneath the supercharger compressor - Bremmen Parts - Audi

Located beneath the supercharger compressor 10X Entries For Our 25th Anniversary Sweepstakes!

Fits from the 2013 model year

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818453
Mfg#:
06E103547AH
In Stock
ON SALE! SAVE 19%
$135.99

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

$110.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Audi B8 S4/S5 3.0T Performance Throttle Body Upgrade

ES#4382060 - 007911LA02KT - Audi B8 S4/S5 3.0T Performance Throttle Body Upgrade - Unleash the true potential of your supercharger! - ECS - Audi

Unleash the true potential of your supercharger! 10X Entries For Our 25th Anniversary Sweepstakes!
10X Entries For Our Spin To Win Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4382060
Mfg#:
007911LA02KT
Ships in 7 Business Days
ON SALE! SAVE 20%
$642.99

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

$514.39 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

X34 Cold Air Intake - Carbon Fiber

ES#2864558 - 034-108-1002-CF - X34 Cold Air Intake - Carbon Fiber - The ultimate cold air induction system the for powerful 2.7T! - 034Motorsport - Audi

The ultimate cold air induction system the for powerful 2.7T!

Brand:
034Motorsport - Corporate Logo
ES#:
2864558
Mfg#:
034-108-1002-CF
Ships in 3 Business Days
$595.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

APR Front Mount Intercooler System - B9 S4/S5 3.0T

ES#3613172 - IC100023 - APR Front Mount Intercooler System - B9 S4/S5 3.0T - Massive front mounted upgrade that dramatically reduces intake air temperature (IAT), minimizes heat soak, and provides increased performance! - APR - Audi

Massive front mounted upgrade that dramatically reduces intake air temperature (IAT), minimizes heat soak, and provides increased performance! Call In Or Chat For Best Price! 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
APR - Corporate Logo
ES#:
3613172
Mfg#:
IC100023
Ships in 3 Business Days
11% off MSRP

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

$1687.99

This product was last offered at the strikethrough price on
07-21-2026

$1499.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

CTS Turbo Direct Fit Front Mount Intercooler Kit

ES#3612271 - CTS-B9-DF - CTS Turbo Direct Fit Front Mount Intercooler Kit - This giant intercooler core is almost twice as large as stock - The B9 platforms benefits greatly from an intercooler upgrade! - CTS - Audi

This giant intercooler core is almost twice as large as stock - The B9 platforms benefits greatly from an intercooler upgrade!

Brand:
CTS - Corporate Logo
ES#:
3612271
Mfg#:
CTS-B9-DF
Back Ordered
Auto Notify
ON SALE! SAVE 20%
$699.99

This product was last offered at the strikethrough price on
07-10-2026

$559.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Billet Diverter Valve - Black

ES#3183557 - 034-145-5000-BLK - Billet Diverter Valve - Black - High-performance spring and piston design is both durable and a performer! - 034Motorsport - Audi Volkswagen

High-performance spring and piston design is both durable and a performer! 2 required

Brand:
034Motorsport - Corporate Logo
ES#:
3183557
Mfg#:
034-145-5000-BLK
In Stock
$134.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B8/B8.5 Luft-Technik Intake Air Scoop v2

ES#4315808 - 008184LA01 - Audi B8/B8.5 Luft-Technik Intake Air Scoop v2 - Extends farther down behind the grille to direct more air to the intake system - ECS - Audi

Extends farther down behind the grille to direct more air to the intake system 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4315808
Mfg#:
008184LA01
In Stock
ON SALE! SAVE 10%
$141.99

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

$127.79 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Boost Cooler Stage 3 DI ProLine Water/Methanol Injection

ES#4698806 - SP10317PRO - Boost Cooler Stage 3 DI ProLine Water/Methanol Injection - Proven to reduce the air inlet temperature by up to 100 degrees and increase octane by 25points for maximum HP and cooling! 3-liter reservoir, stainless steel braided line, 4AN fittings. - SnowPerformance - Audi BMW Volkswagen MINI

Proven to reduce the air inlet temperature by up to 100 degrees and increase octane by 25points for maximum HP and cooling! 3-liter reservoir, stainless steel braided line, 4AN fittings.

Brand:
SnowPerformance - Corporate Logo
ES#:
4698806
Mfg#:
SP10317PRO
In Stock at Vendor
$833.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Audi & VW Direct Injection Carbon Cleaning Kit - Level 1

ES#4000811 - 034-108-Z054KT - Audi & VW Direct Injection Carbon Cleaning Kit - Level 1 - Featuring Bimmerhelp's direct injection port cleaning tool, walnut shell blast media (15lbs), and a 'blast out of a bucket' media blaster attachment - Assembled By ECS - Audi Volkswagen

Featuring Bimmerhelp's direct injection port cleaning tool, walnut shell blast media (15lbs), and a 'blast out of a bucket' media blaster attachment 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4000811
Mfg#:
034-108-Z054KT
Back Ordered
ON SALE! SAVE 20%
$176.99

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

$141.89 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Supercharger Bypass Valve

ES#4140119 - 057128063G - Supercharger Bypass Valve - Releases air pressure when off throttle - VDO - Audi

Releases air pressure when off throttle

Brand:
VDO - Corporate Logo
ES#:
4140119
Mfg#:
057128063G
Back Ordered
$433.01 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Carbon Fiber RS4 Y-Pipe

ES#2972858 - 034-108-5000 - Carbon Fiber RS4 Y-Pipe - Features high-quality carbon fiber with perfect fitment and optimal flow - 034Motorsport - Audi

Features high-quality carbon fiber with perfect fitment and optimal flow

Brand:
034Motorsport - Corporate Logo
ES#:
2972858
Mfg#:
034-108-5000
Ships in 9 Business Days
Auto Notify
$647.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Solenoid Valve - Priced Each

ES#2575254 - 037906283C - Solenoid Valve - Priced Each - Common cure for DTC P0441 - Pierburg - Audi Volkswagen

Common cure for DTC P0441

Brand:
Pierburg - Corporate Logo
ES#:
2575254
Mfg#:
037906283C
In Stock
$66.99 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.

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