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Audi RS6 4.2T Engine Intake Parts

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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 MINI

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. Gauge Pod controller, for optimum control even from the driver's seat!

Brand:
SnowPerformance - Corporate Logo
ES#:
2855201
Mfg#:
SN0210
In Stock
29% off MSRP

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

$816.99

This product was last offered at the strikethrough price on
11-08-2026

$583.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Stage 2 Boost Cooler Forced Induction Progressive Engine Mount Water-Methanol Injection Kit

ES#4159648 - SN0-20010 - Stage 2 Boost Cooler Forced Induction Progressive Engine Mount Water-Methanol Injection Kit - Red High Temp Nylon Tubing, Quick-Connect Fittings - SnowPerformance - Audi BMW Volkswagen MINI

Red High Temp Nylon Tubing, Quick-Connect Fittings

Brand:
SnowPerformance - Corporate Logo
ES#:
4159648
Mfg#:
SN0-20010
In Stock
29% off MSRP

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

$729.99

This product was last offered at the strikethrough price on
11-08-2026

$520.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Billet Diverter Valve - Polished

ES#3183558 - 034-145-5000-ALU - Billet Diverter Valve - Polished - 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! 2X Entries Into Our F80 M3 Sweepstakes
2 required

Brand:
034Motorsport - Corporate Logo
ES#:
3183558
Mfg#:
034-145-5000-ALU
In Stock
$128.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

008 Premium Diverter Valve - *Limited Edition* Red*

ES#4001248 - FMDV008R - 008 Premium Diverter Valve - *Limited Edition* Red* - Smaller, tougher and tuneable! *Limited edition red finish* - Forge - Audi Volkswagen Porsche

Smaller, tougher and tuneable! *Limited edition red finish* Limited Editions ONLY at ECS Tuning : Limited Stock so Act Fast

Brand:
Forge - Corporate Logo
ES#:
4001248
Mfg#:
FMDV008R
Ships on Feb 12, 2027
ON SALE! SAVE 15%
$180.00

This product was last offered at the strikethrough price on
11-08-2026

$153.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

AEM V3 Water/Methanol Injection Kit (30-3300)

ES#517900 - 30-3000 - AEM V3 Water/Methanol Injection Kit (30-3300) - Increase power and efficiency while decreasing combustion temperatures - AEM Electronics - Audi BMW Volkswagen MINI

Increase power and efficiency while decreasing combustion temperatures

Brand:
AEM Electronics - Corporate Logo
ES#:
517900
Mfg#:
30-3000
In Stock
Limited Qty Sale
$599.95

This product was last offered at the strikethrough price on
11-07-2026

$533.99 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! 2X Entries Into Our F80 M3 Sweepstakes
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

Performance Intercooler Kit

ES#4690503 - 200001193 - Performance Intercooler Kit - Performance intercooler features a high-end cooling core - Wagner Tuning - Audi

Performance intercooler features a high-end cooling core

Brand:
Wagner Tuning - Corporate Logo
ES#:
4690503
Mfg#:
200001193
Ships in 1 Business Day
$3990.00 USD
Free Shipping

Upgrade Intercooler Kit

ES#3569341 - 200001010KT - Upgrade Intercooler Kit - Larger intercoolers with carbon fiber air ducts and mesh intake grilles - Wagner Tuning - Audi

Larger intercoolers with carbon fiber air ducts and mesh intake grilles *For a limited time only* - Includes a $25 ECS Tuning gift card!

Brand:
Wagner Tuning - Corporate Logo
ES#:
3569341
Mfg#:
200001010KT
Ships in 3 Business Days
$1830.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Billet R1 Diverter Valve - Priced Each

ES#8818 - DV100001 - Billet R1 Diverter Valve - Priced Each - Less maintenance, more boost - APR - Audi Volkswagen Porsche

Less maintenance, more boost Call In Or Chat For Best Price!

2 required

Brand:
APR - Corporate Logo
ES#:
8818
Mfg#:
DV100001
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.

$328.99

This product was last offered at the strikethrough price on
11-08-2026

$291.99 USD
Free Shipping
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
29% off MSRP

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

$1166.99

This product was last offered at the strikethrough price on
11-08-2026

$833.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Universal High Flow Performance Air Filter - Dry (2.5" inlet)

ES#3697634 - 003675ECS03-02 - Universal High Flow Performance Air Filter - Dry (2.5" inlet) - High flow, reusable air filter. Used as a replacement filter to an ECS intake system or for your custom intake project. 4.5" Base OD / 6" Filter Height / 3.5" Top OD - ECS - Audi BMW Volkswagen

High flow, reusable air filter. Used as a replacement filter to an ECS intake system or for your custom intake project. 4.5" Base OD / 6" Filter Height / 3.5" Top OD 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3697634
Mfg#:
003675ECS03-02
In Stock
ON SALE! SAVE 30%
$58.99

This product was last offered at the strikethrough price on
11-07-2026

$41.29 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Boost Cooler Stage 2.5 Progressive Water/Methanol Injection Kit

ES#4004529 - SN0-210-BRD - Boost Cooler Stage 2.5 Progressive Water/Methanol Injection Kit - With Tank, Stainless Steel Braided Line, 4AN Fittings - SnowPerformance - Audi BMW Volkswagen MINI

With Tank, Stainless Steel Braided Line, 4AN Fittings

Brand:
SnowPerformance - Corporate Logo
ES#:
4004529
Mfg#:
SN0-210-BRD
Back Ordered
29% off MSRP

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

$962.99

This product was last offered at the strikethrough price on
11-08-2026

$687.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

AEM V3 Water/Methanol Injector Kit (Qty 2)

ES#4307641 - 30-3313 - AEM V3 Water/Methanol Injector Kit (Qty 2) - Swappable swirl generators for 250/500/1000cc configurations! - AEM Electronics - Audi BMW Volkswagen MINI

Swappable swirl generators for 250/500/1000cc configurations!

Brand:
AEM Electronics - Corporate Logo
ES#:
4307641
Mfg#:
30-3313
In Stock at Vendor
12% off MSRP

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

$129.99

This product was last offered at the strikethrough price on
11-08-2026

$114.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Air Filter, Conical, 0.75" Inlet

ES#4858334 - 034-108-B018 - Performance Air Filter, Conical, 0.75" Inlet - Perfect fit performance Air Filter for SAI equipped cars, breathers, and more! - 034Motorsport - Audi Volkswagen

Perfect fit performance Air Filter for SAI equipped cars, breathers, and more! 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
4858334
Mfg#:
034-108-B018
In Stock
$31.00 USD
Free Shipping

008 Premium Diverter Valve - 3 Way adjustable Vacuum Port - Alloy

ES#3619942 - FMDV008PA-S - 008 Premium Diverter Valve - 3 Way adjustable Vacuum Port - Alloy - Smaller, tougher and tuneable - Now with 3-way adjustable, 90-degree vacuum port - Forge - Audi Volkswagen Porsche

Smaller, tougher and tuneable - Now with 3-way adjustable, 90-degree vacuum port

Brand:
Forge - Corporate Logo
ES#:
3619942
Mfg#:
FMDV008PA-S
Ships in 4 Business Days
ON SALE! SAVE 15%
$204.99

This product was last offered at the strikethrough price on
11-08-2026

$174.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

K&N Air Filter Recharge Kit - Squeeze

ES#517994 - 99-5050 - K&N Air Filter Recharge Kit - Squeeze - Preserve & maintain your air filter for a lifetime like it was designed to be used - K&N - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Preserve & maintain your air filter for a lifetime like it was designed to be used

Brand:
K&N - Corporate Logo
ES#:
517994
Mfg#:
99-5050
In Stock
$18.99 USD
Free Shipping
on orders $49 and up

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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