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Audi RS3 8V (2018+) 2.5T Performance Engine Parts

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ES#4630153 - T9381 - DV+ Performance Diverter Valve - With Pierburg Valve - Features a low-profile integrated solenoid to make it shorter and more compact than even the factory diverter, ensuring it will fit the tightest applications. - Go Fast Bits - Audi Volkswagen Porsche

Features a low-profile integrated solenoid to make it shorter and more compact than even the factory diverter, ensuring it will fit the tightest applications. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Go Fast Bits - Corporate Logo
ES#:
4630153
Mfg#:
T9381
In Stock
10% off MSRP

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

$280.99

This product was last offered at the strikethrough price on
06-04-2026

$252.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3551291 - 025254ECS01-03 -  VW/Audi Atmospheric Diverter Valve Spacer - Red - Let your turbo blow off some air for an exhilarating driving experience! - ECS - Audi Volkswagen

Let your turbo blow off some air for an exhilarating driving experience! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3551291
Mfg#:
025254ECS01-03
In Stock
ON SALE! SAVE 30%
$84.99

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

$59.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4845532 - T9481 - GFB VTA Blow Off Valve - Sharper throttle response, faster boost recovery - Go Fast Bits - Audi Volkswagen

Sharper throttle response, faster boost recovery affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Go Fast Bits - Corporate Logo
ES#:
4845532
Mfg#:
T9481
In Stock
$269.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2864616 - gfbt9351 - DV+ Performance Diverter Valve T9351 - Direct-fit performance solution for the OE diverter valve - Go Fast Bits - Audi Volkswagen Porsche

Direct-fit performance solution for the OE diverter valve affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
CARB certified for sale in all 50 states

Brand:
Go Fast Bits - Corporate Logo
ES#:
2864616
Mfg#:
GFBT9351
EO#:
D-844
In Stock
10% off MSRP

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

$171.00

This product was last offered at the strikethrough price on
06-04-2026

$153.90 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
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 Mercedes Benz MINI Porsche

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. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Gauge Pod controller, for optimum control even from the driver's seat!

Brand:
SnowPerformance - Corporate Logo
ES#:
2855201
Mfg#:
SN0210
In Stock
$583.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3551289 - 025254ECS01-01 - VW/Audi Atmospheric Diverter Valve Spacer - Black - Let your turbo blow off some air for an exhilarating driving experience! - ECS - Audi Volkswagen

Let your turbo blow off some air for an exhilarating driving experience! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3551289
Mfg#:
025254ECS01-01
In Stock
ON SALE! SAVE 30%
$84.99

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

$59.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4865892 - T9401 - VTA T9401 Blow Off Valve  - Loud, Obnoxious, Unique Turbo Sound with adjustable spring preload - Go Fast Bits - Audi Volkswagen

Loud, Obnoxious, Unique Turbo Sound with adjustable spring preload affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Go Fast Bits - Corporate Logo
ES#:
4865892
Mfg#:
T9401
In Stock
$289.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
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 Mercedes Benz MINI Porsche

Increase power and efficiency while decreasing combustion temperatures affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
AEM Electronics  - Corporate Logo
ES#:
517900
Mfg#:
30-3000
Ships in 3 Business Days
$579.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3458268 - 022798tms01-09KT - Complete Universal Turner Baffled Oil Catch Can Kit - 10oz - A 4 chamber, baffled oil catch can complete with a universal mount and drain system! - Turner Motorsport - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

A 4 chamber, baffled oil catch can complete with a universal mount and drain system! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
3458268
Mfg#:
022798TMS01-09KT
In Stock
ON SALE! SAVE 15%
$299.99

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

$254.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4365190 - UH012-ICABLK - Unitronic Intercooler Upgrade Kit 2.5TFSI EVO - Black Finish - Direct OEM replacement featuring an over-sized bar and plate intercooler made from a cast aluminum core and end tanks, proprietary internal fin and louver configuration with 71% more volume than OEM! - Unitronic - Audi

Direct OEM replacement featuring an over-sized bar and plate intercooler made from a cast aluminum core and end tanks, proprietary internal fin and louver configuration with 71% more volume than OEM! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Unitronic - Corporate Logo
ES#:
4365190
Mfg#:
UH012-ICABLK
In Stock
$999.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3691421 - 50-1200 - 340lph High Flow In-Tank Fuel Pump (e85 Compatible)  - AEMs 340LPH E85-Compatible High Flow In-Tank Fuel Pumps feature robust internal construction that is designed to withstand the low lubricity characteristics of ethanol and methanol fuels - AEM Electronics  - Audi Volkswagen

AEM’s 340LPH E85-Compatible High Flow In-Tank Fuel Pumps feature robust internal construction that is designed to withstand the low lubricity characteristics of ethanol and methanol fuels affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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#:
3691421
Mfg#:
50-1200
In Stock
$145.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4040043 - 003779ecs05-01KT -  Universal ECS Tuning Baffled Oil Catch Can Kit (8oz) - Capture harmful oil vapors and keep your intake tract clean. Includes our universal catch can, brackets, fittings and drain kit. Everything you need except plumbing to your engine. - ECS - Audi Volkswagen

Capture harmful oil vapors and keep your intake tract clean. Includes our universal catch can, brackets, fittings and drain kit. Everything you need except plumbing to your engine. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4040043
Mfg#:
003779ECS05-01KT
In Stock
ON SALE! SAVE 10%
$408.90

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

$368.01 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3617741 - 034-105-7048 - RES-X High-Flow Midpipes - Audi 8V RS3 & 8S TTRS - Unleash a throaty growl under hard acceleration that exudes the sound of performance, and warns bystanders that this isn't your average 5-cylinder! - 034Motorsport - Audi

Unleash a throaty growl under hard acceleration that exudes the sound of performance, and warns bystanders that this isn't your average 5-cylinder! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits 2018+ facelift models only

Brand:
034Motorsport - Corporate Logo
ES#:
3617741
Mfg#:
034-105-7048
In Stock
$335.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3998870 - BPT-VA1 - BMS Pedal Tuner - Don't let weak and unresponsive factory gas pedal mapping ruin your driving experience! - Burger Motorsports - Audi Volkswagen

Don't let weak and unresponsive factory gas pedal mapping ruin your driving experience! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Burger Motorsports - Corporate Logo
ES#:
3998870
Mfg#:
BPT-VA1
In Stock
$199.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4362302 - UH005-FLA - Unitronic MPI Upgrade Kit 2.5TFSI EVO - Gains up to +183 HP / +177 TQ over stock output w/ Unitronic Stage 2 E85 Performance Software - Unitronic - Audi

Gains up to +183 HP / +177 TQ over stock output w/ Unitronic Stage 2 E85 Performance Software affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Unitronic - Corporate Logo
ES#:
4362302
Mfg#:
UH005-FLA
Ships in 1-3 days
$579.99 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.

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Manufacturer names and/or part numbers are used only for identification purposes.

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