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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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Complete Turner Baffled Oil Catch Can Kit - 6oz

ES#3458255 - 022798tms01-05KT - Complete Turner Baffled Oil Catch Can Kit - 6oz - A 4 chamber, baffled oil catch can complete with a universal mount and drain system! - Turner Motorsport - Audi BMW Volkswagen MINI Porsche

A 4 chamber, baffled oil catch can complete with a universal mount and drain system! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Turner Motorsport - Corporate Logo
ES#:
3458255
Mfg#:
022798TMS01-05KT
In Stock
ON SALE! SAVE 15%
$302.99

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

$257.54 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Turbocharger Wastegate Actuator

ES#4876885 - 06L145614B - Turbocharger Wastegate Actuator - Direct replacement for your rattling actuator. - Bremmen Parts - Audi

Direct replacement for your rattling actuator. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4876885
Mfg#:
06L145614B
In Stock
ON SALE! SAVE 15%
$249.99

This product was last offered at the strikethrough price on
09-16-2026

$212.49 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

Blow-Off Valve Kit - Black Valve

ES#3085837 - FMDVMK7A1 - Blow-Off Valve Kit - Black Valve - Cure your leaking diverter valve problems for good! - Forge - Audi Volkswagen Porsche

Cure your leaking diverter valve problems for good!

Brand:
Forge - Corporate Logo
ES#:
3085837
Mfg#:
FMDVMK7A1
Ships in 4 Business Days
$349.84 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Universal Catch Can Kit - Carbon Fiber

ES#2500608 - MM0CCCF - Universal Catch Can Kit - Carbon Fiber - Kit with catch can and rubber hose; for retrofitting on a variety of vehicles. - Mishimoto - Audi BMW Volkswagen MINI

Kit with catch can and rubber hose; for retrofitting on a variety of vehicles.

Brand:
Mishimoto - Corporate Logo
ES#:
2500608
Mfg#:
MM0CCCF
In Stock
$162.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Wetter Coolant Additive - 12oz

ES#261427 - 80204 - Water Wetter Coolant Additive - 12oz - Reduces coolant temperatures by as much as 30*F - Redline - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Reduces coolant temperatures by as much as 30*F

Brand:
Redline - Corporate Logo
ES#:
261427
Mfg#:
80204
In Stock
$15.99 USD
Free Shipping
on orders $49 and up

AWE Touring to Track Conversion Kit - B9 A4/A5

ES#4044017 - 3820-31002 - AWE Touring to Track Conversion Kit - B9 A4/A5 - Looking to crank it up a notch? - AWE - Audi

Looking to crank it up a notch? 2X Entries Into Our F80 M3 Sweepstakes

Brand:
AWE - Corporate Logo
ES#:
4044017
Mfg#:
3820-31002
In Stock
5% off MSRP

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

$352.99

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

$335.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Silicone Turbo Inlet Hose

ES#4017429 - 019216ECS02 - Silicone Turbo Inlet Hose - Flexible silicone smooths the intake tract & provides unimpeded airflow. The ultimate in looks and durability! - ECS - Audi

Flexible silicone smooths the intake tract & provides unimpeded airflow. The ultimate in looks and durability! 10X Entries Into Our F80 M3 Sweepstakes

Does not fit models equipped with a MAF sensor (DBPA or DPAA engine codes) - Please verify prior to order

Brand:
ECS - Corporate Logo
ES#:
4017429
Mfg#:
019216ECS02
In Stock
ON SALE! SAVE 25%
$96.99

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

$72.74 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

JB4 Tuner For Audi EA888 Gen4 2.0 TFSI 261hp & 265hp

ES#4624221 - JB4-AUDI-EA888-G - JB4 Tuner For Audi EA888 Gen4 2.0 TFSI 261hp & 265hp - Plug & play tune with gains up to 40hp/50lb-ft. - Burger Motorsports - Audi Porsche

Plug & play tune with gains up to 40hp/50lb-ft. For 2021+ models only

Brand:
Burger Motorsports - Corporate Logo
ES#:
4624221
Mfg#:
JB4-AUDI-EA888-G
Ships in 1-3 days
$529.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Unitronic Intercooler Upgrade 2.0TSI MLB B9 A4/A5/Allroad

ES#4362348 - UH016-ICA - Unitronic Intercooler Upgrade 2.0TSI MLB B9 A4/A5/Allroad - Direct OEM replacement kit featuring a massive bar and plate intercooler core made from cast aluminum core and end tanks, proprietary internal fin and louver configuration, and a TIG welded construction. - Unitronic - Audi

Direct OEM replacement kit featuring a massive bar and plate intercooler core made from cast aluminum core and end tanks, proprietary internal fin and louver configuration, and a TIG welded construction.

Brand:
Unitronic - Corporate Logo
ES#:
4362348
Mfg#:
UH016-ICA
Ships in 5 Business Days
$949.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

1.8T/2.0T Gen3 Diverter Valve Upgrade - Red

ES#4839641 - 013907la01-01KT - 1.8T/2.0T Gen3 Diverter Valve Upgrade - Red - The LAST diverter valve you'll ever need! Billet aluminum construction and heavy-duty Viton o-rings make for the ultimate upgrade in longevity and performance. - ECS - Audi Volkswagen Porsche

The LAST diverter valve you'll ever need! Billet aluminum construction and heavy-duty Viton o-rings make for the ultimate upgrade in longevity and performance. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4839641
Mfg#:
013907LA01-01KT
In Stock
ON SALE! SAVE 25%
$333.99

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

$250.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

2.0T Gen3 High Performance Rod Bearing Set - Standard

ES#4136133 - 4B5562H-STD - 2.0T Gen3 High Performance Rod Bearing Set - Standard - Includes upper and lower bearing shells for a complete rod bearing replacement. - ACL - Audi Volkswagen

Includes upper and lower bearing shells for a complete rod bearing replacement.

Brand:
ACL - Corporate Logo
ES#:
4136133
Mfg#:
4B5562H-STD
In Stock
$50.99 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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