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Audi S4 Performance Intake Systems

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Carbon Fiber Intake Scoop & Overlay Kit

ES#3476954 - 024641ecs01KT - Carbon Fiber Intake Scoop & Overlay Kit - Full solution to give your factory intake system a performance look! - ECS - Audi

Full solution to give your factory intake system a performance look! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3476954
Mfg#:
024641ECS01KT
Ships on Oct 29, 2026
ON SALE! SAVE 10%
$418.99

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

$377.09 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Engine Air Filter

ES#3195184 - FB102/01 - Performance Engine Air Filter - High-Flow cotton gauze filter designed to be a performer, while lasting a lifetime - BMC - Audi BMW

High-Flow cotton gauze filter designed to be a performer, while lasting a lifetime affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
BMC - Corporate Logo
ES#:
3195184
Mfg#:
FB102/01
In Stock at Vendor
$80.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Silicone Throttle Body Boot - Red

ES#2954074 - 034-112-6007-RED - Silicone Throttle Body Boot - Red - Replaces the troublesome and weak "Y" boot - Includes clamps - 034Motorsport - Audi

Replaces the troublesome and weak "Y" boot - Includes clamps affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
2954074
Mfg#:
034-112-6007-RED
Ships in 2 Business Days
$111.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

X34 Carbon Fiber Air Scoop - Standard Intercooler Size

ES#4159458 - 034-108-Z068 - X34 Carbon Fiber Air Scoop - Standard Intercooler Size - Increase airflow for your 2.0T or 3.0T equipped B9 A4/S4/Allroad with the 034Motorsport X34 Carbon Fiber Intake Air Scoop! - 034Motorsport - Audi

Increase airflow for your 2.0T or 3.0T equipped B9 A4/S4/Allroad with the 034Motorsport X34 Carbon Fiber Intake Air Scoop! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Will not fit vehicles with the active grille shutter system, such as B9.5 A4 and allroad.

Brand:
034Motorsport - Corporate Logo
ES#:
4159458
Mfg#:
034-108-Z068
Ships in 2 Business Days
$190.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

008 Premium Diverter Valve - Matte Silver

ES#2847752 - FMDV008MS - 008 Premium Diverter Valve - Matte Silver - Smaller, tougher and tuneable - Forge - Audi Volkswagen Porsche

Smaller, tougher and tuneable affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Forge - Corporate Logo
ES#:
2847752
Mfg#:
FMDV008MS
Back Ordered
$180.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Silicone Supercharger Inlet Hose

ES#3149389 - 034-112-6005 - Silicone Supercharger Inlet Hose - Smooth insides for higher flow and life long durability - 034Motorsport - Audi

Smooth insides for higher flow and life long durability affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
3149389
Mfg#:
034-112-6005
Ships in 2 Business Days
$158.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rebuild Kit For Billet Diverter Valve

ES#4304145 - 034-145-Z039 - Rebuild Kit For Billet Diverter Valve - Complete rebuild kit for 034MotorSport Billet Aluminum Diverter Valve - 034Motorsport - Audi Volkswagen

Complete rebuild kit for 034MotorSport Billet Aluminum Diverter Valve affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
2 required

Brand:
034Motorsport - Corporate Logo
ES#:
4304145
Mfg#:
034-145-Z039
In Stock
$10.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B9 Intake System Reflect-A-Gold Add-On - Kohlefaser Luft-Technik

ES#3610302 - 024131ecs01aKT - Audi B9 Intake System Reflect-A-Gold Add-On - Kohlefaser Luft-Technik - Pre-cut DEI Reflect-a-Gold to apply directly to your new Kohlefaser Luft-Technik Intake System - ECS - Audi

Pre-cut DEI Reflect-a-Gold to apply directly to your new Kohlefaser Luft-Technik Intake System affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3610302
Mfg#:
024131ECS01AKT
In Stock
ON SALE! SAVE 31%
$46.99

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

$32.28 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Optional Blue Spring R1 DV For 23-30 PSI. (Blue Springs Are Only Needed For Stage 3 Or Higher.)

ES#3021167 - Z1001791 - Optional Blue Spring R1 DV For 23-30 PSI. (Blue Springs Are Only Needed For Stage 3 Or Higher.) - DV100001 optional blue spring for 23-30 psi - APR - Audi Volkswagen

DV100001 optional blue spring for 23-30 psi 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#:
3021167
Mfg#:
Z1001791
Ships in 5 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.

$34.99

This product was last offered at the strikethrough price on
06-07-2026

$30.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
Scratch and Dent Item

P34 SuperDuper Insuction Bundle *Scratch And Dent*

ES#5374723 - 034-108-5048 - P34 SuperDuper Insuction Bundle *Scratch And Dent* - 034Motorsport's P34 Cold Air Intake System delivers improved power, sound, and acceleration - Scratch & Dent - Audi

034Motorsport's P34 Cold Air Intake System delivers improved power, sound, and acceleration ALL SALES FINAL. ITEMS MAY BE DAMAGED OR MISSING COMPONENTS. PLEASE SEE IMAGES BEFORE PURCHASING. Want To Haggle? Give Us A Call Or Chat To Make An Offer On This Product! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Scratch & Dent - Corporate Logo
ES#:
5374723
Mfg#:
034-108-5048
In Stock
ON SALE! SAVE 12%
$681.00

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

$599.28 USD

AWE S-FLO Carbon Intake - Audi B8 3.0T / 3.2L

ES#4043315 - 2660-13028 - AWE S-FLO Carbon Intake - Audi B8 3.0T / 3.2L - Gains of 7 HP and 6 ft-lbs of torque. Allows 34% more airflow over stock, with eye catching carbon fiber engine bay upgrade. - AWE - Audi

Gains of 7 HP and 6 ft-lbs of torque. Allows 34% more airflow over stock, with eye catching carbon fiber engine bay upgrade. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
AWE - Corporate Logo
ES#:
4043315
Mfg#:
2660-13028
Ships on Jun 26, 2026
$665.00 USD
This product is lifetime replacement eligible Lifetime Replacement

Audi B9 S4/S5 Carbon Intake System

ES#4039962 - VWR1241S4 - Audi B9 S4/S5 Carbon Intake System - The highest-performing, race-bred cold-air induction system for the current B9 Audi S4 & S5! - Racingline - Audi

The highest-performing, race-bred cold-air induction system for the current B9 Audi S4 & S5! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Racingline - Corporate Logo
ES#:
4039962
Mfg#:
VWR1241S4
Ships in 2 Business Days
$1340.99 USD

Unitronic Carbon Intake System Without Turbo Inlet

ES#4669287 - UH029-INA - Unitronic Carbon Intake System Without 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. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Unitronic - Corporate Logo
ES#:
4669287
Mfg#:
UH029-INA
Ships in 5 Business Days
$1469.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

65.7mm Adapter Ring For B9 S4 / S5 3.0TFSI Turbo Inlet

ES#4758918 - UH053-INA - 65.7mm Adapter Ring For B9 S4 / S5 3.0TFSI Turbo Inlet - For use with UH053-INA - Unitronic - Audi

For use with UH053-INA affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Unitronic - Corporate Logo
ES#:
4758918
Mfg#:
UH053-INA
Ships in 5 Business Days
$87.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Unitronic Carbon Fiber Intake System 3.0TFSI B9 S4/S5

ES#4362353 - UH017-INA - Unitronic Carbon Fiber Intake System 3.0TFSI B9 S4/S5 - Engineered for seamless integration within the engine bay and improves the performance, look and sound of your vehicle. - Unitronic - Audi

Engineered for seamless integration within the engine bay and improves the performance, look and sound of your vehicle. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Unitronic - Corporate Logo
ES#:
4362353
Mfg#:
UH017-INA
Ships in 5 Business Days
$1469.99 USD
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Intake Systems

Let your engine breathe! Your air intake pulls in fresh air to supply one of the three key ingredients for internal combustion: air! We have everything to replace a broken or old intake as well as performance cold air intake options to give you more power and better sound.

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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