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Audi B9 A4 Quattro 2.0T

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Audi B9 A4 Quattro 2.0T Performance Engine Parts

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BMC Filter Cleaning Kit

ES#3088918 - WA250-500 - BMC Filter Cleaning Kit - Includes cleaner and re-oil additive - BMC - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Includes cleaner and re-oil additive

Brand:
BMC - Corporate Logo
ES#:
3088918
Mfg#:
WA250-500
In Stock
$24.99 USD
Free Shipping
on orders $49 and up

AEM Water/Methanol Injection System

ES#4500516 - 30-3326 - AEM Water/Methanol Injection System - High-Flow Low-Current WMI Solenoid - 200PSI 1/8in-27NPT In/Out - AEM Electronics - Audi BMW Volkswagen MINI Porsche

High-Flow Low-Current WMI Solenoid - 200PSI 1/8in-27NPT In/Out

Brand:
AEM Electronics - Corporate Logo
ES#:
4500516
Mfg#:
30-3326
In Stock at Vendor
11% off MSRP

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

$149.99

This product was last offered at the strikethrough price on
10-11-2026

$132.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

034 Motorsports Performance Air Filter 5" Inlet - Conical

ES#4615835 - 034-108-B016 - 034 Motorsports Performance Air Filter 5" Inlet - Conical - Direct replacement for the 034Motorsport B9 Audi P34 Intake System. - 034Motorsport - Audi

Direct replacement for the 034Motorsport B9 Audi P34 Intake System. 2X Entries Into Our F80 M3 Sweepstakes
Replacement filter for ES#3419046

Brand:
034Motorsport - Corporate Logo
ES#:
4615835
Mfg#:
034-108-B016
In Stock
$113.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Gen3/DAZA Atmospheric Diverter Valve Spacer - Gold

ES#5457770 - 025254ECS01-05 - Gen3/DAZA Atmospheric Diverter Valve Spacer - Gold - Limited Edition - Individually Numbered - ECS - Audi Volkswagen

Limited Edition - Individually Numbered 10X Entries Into Our F80 M3 Sweepstakes
Fits models with OEM DV part numbers 06H145710J, 06H145710C, 06H145710E. Please verify before ordering.

Brand:
ECS - Corporate Logo
ES#:
5457770
Mfg#:
025254ECS01-05
In Stock
$84.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Stage 3 Boost Cooler (EFI - Port Injection) - Braided Line

ES#4144932 - SN0-310-BRD - Stage 3 Boost Cooler (EFI - Port Injection) - Braided Line - Brings true 2D mapped water-methanol injection delivery to your EFI (Electronic Fuel Injected) and forced induction vehicle - SnowPerformance - Audi BMW Volkswagen MINI

Brings true 2D mapped water-methanol injection delivery to your EFI (Electronic Fuel Injected) and forced induction vehicle

Brand:
SnowPerformance - Corporate Logo
ES#:
4144932
Mfg#:
SN0-310-BRD
In Stock at Vendor
$833.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Stage 3 Boost Cooler (Direct Injection) - Braided Line

Brings true 2D mapped water-methanol injection delivery to your DI (direct fuel injected) and forced induction vehicle

Brand:
SnowPerformance - Corporate Logo
ES#:
3557781
Mfg#:
SN0-320-BRD
In Stock at Vendor
$833.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

400LPH High Flow Fuel Pump (AN Fittings)

ES#3603936 - 50-1005 - 400LPH High Flow Fuel Pump (AN Fittings) - Designed for high performance naturally aspirated and forced induction EFI vehicles - It can be installed externally or in-tank using optional hardware that is sold separately - AEM Electronics - Audi Volkswagen

Designed for high performance naturally aspirated and forced induction EFI vehicles - It can be installed externally or in-tank using optional hardware that is sold separately This is a general-use high flow fuel pump, not a direct plug-and-play swap in most application

Brand:
AEM Electronics - Corporate Logo
ES#:
3603936
Mfg#:
50-1005
In Stock at Vendor
9% off MSRP

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

$224.99

This product was last offered at the strikethrough price on
10-11-2026

$204.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Revo B9 TFSI Intercooler

ES#4499832 - RA841M100000 - Revo B9 TFSI Intercooler - Only The Driven know that the cooler the air, the more power produced. - REVO - Audi

Only The Driven know that the cooler the air, the more power produced.

Brand:
REVO - Corporate Logo
ES#:
4499832
Mfg#:
RA841M100000
Back Ordered
$819.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

034Motorsport High-Flow Turbo Inlet Hose

ES#3552813 - 034-145-A062 - 034Motorsport High-Flow Turbo Inlet Hose - Smooths the intake tract & provides unimpeded airflow - 034Motorsport - Audi

Smooths the intake tract & provides unimpeded airflow 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
3552813
Mfg#:
034-145-A062
In Stock
$89.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Gen3 Wastegate Adapter Harness

ES#5444824 - 060457LA01 - Gen3 Wastegate Adapter Harness - Make your next turbo swap a "one-and-done" job - ECS - Audi Volkswagen

Make your next turbo swap a "one-and-done" job 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
5444824
Mfg#:
060457LA01
In Stock
$49.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

RaceChip RS

ES#4339089 - 906971 - RaceChip RS - Get up to +55 hp and +61 through a safe and easy to use tuning module from RaceChip - Race Chip - Audi Porsche

Get up to +55 hp and +61 through a safe and easy to use tuning module from RaceChip

Brand:
Race Chip - Corporate Logo
ES#:
4339089
Mfg#:
906971
Ships on Oct 30, 2026
$399.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

MQB Turbo Muffler Delete

ES#3988401 - HVA-109 - MQB Turbo Muffler Delete - Improve your turbo and create a smooth path for air to exit. - HPA Motorsports - Audi Volkswagen

Improve your turbo and create a smooth path for air to exit.

Brand:
HPA Motorsports - Corporate Logo
ES#:
3988401
Mfg#:
HVA-109
In Stock
$130.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turbo Muffler Delete - Black

ES#3663927 - L042B - Turbo Muffler Delete - Black - Replace the factory turbo muffler with a straight, uninterrupted billet aluminum delete - LEYO - Audi Volkswagen

Replace the factory turbo muffler with a straight, uninterrupted billet aluminum delete

Brand:
LEYO - Corporate Logo
ES#:
3663927
Mfg#:
L042B
Ships on Oct 28, 2026
$129.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Engine Parts

Our name says it all. That's why ECS Tuning is dedicated to providing our customers with the broadest possible assortment of engine tuning options at a range of prices and options to fit any budget. Start small and grow your car into something special with performance engine upgrades from a company that has tuning in its name and its blood.

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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