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Audi B9 S4 Quattro 3.0T

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Audi B9 S4 Quattro 3.0T Performance Blow Off Valves

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VW MK8 2.0T / Audi 3.0T Diverter Valve Spacer - Clear Anodized

ES#4033242 - 028495ECS01 - VW MK8 2.0T / Audi 3.0T Diverter Valve Spacer - Clear Anodized - 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#:
4033242
Mfg#:
028495ECS01
In Stock
ON SALE! SAVE 20%
$87.99

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

$69.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

KOMPACT EM BOV VR18 Dual Port

ES#4745463 - TS-0223-1079 - KOMPACT EM BOV VR18 Dual Port - Seamlessly install a Kompact EM Valve without the need for adaptors, hoses, or additional assembly. - TurboSmart - Audi

Seamlessly install a Kompact EM Valve without the need for adaptors, hoses, or additional assembly. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
TurboSmart - Corporate Logo
ES#:
4745463
Mfg#:
TS-0223-1079
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.

$350.99

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

$315.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

KOMPACT EM BOV VR18 Plum Back

ES#4745487 - TS-0223-1279 - KOMPACT EM BOV VR18 Plum Back - Seamlessly install a Kompact EM Valve without the need for adaptors, hoses, or additional assembly. - TurboSmart - Audi

Seamlessly install a Kompact EM Valve without the need for adaptors, hoses, or additional assembly. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
TurboSmart - Corporate Logo
ES#:
4745487
Mfg#:
TS-0223-1279
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.

$309.99

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

$278.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Atmospheric Dump Valve - Black

ES#3612126 - FMDV13A - Atmospheric Dump Valve - Black - Prevent boost leaks with full billet construction - Forge - Audi

Prevent boost leaks with full billet construction affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Forge - Corporate Logo
ES#:
3612126
Mfg#:
FMDV13A
In Stock
$349.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Atmospheric Dump Valve - Polished Silver

ES#4726975 - FMDV13A-C - Atmospheric Dump Valve - Polished Silver - Prevent boost leaks with full billet construction - Forge - Audi

Prevent boost leaks with full billet construction affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Forge - Corporate Logo
ES#:
4726975
Mfg#:
FMDV13A-C
Ships in 7 Business Days
$278.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Audi / Porsche EA839 3.0T VTA Adapter System

ES#4715320 - 01-839-02093-5 - Audi / Porsche EA839 3.0T VTA Adapter System - Simple bolt-on solution for attaining the "blow-off" sound that many people are fond of on turbocharged vehicles! - Weistec - Audi Porsche

Simple bolt-on solution for attaining the "blow-off" sound that many people are fond of on turbocharged vehicles! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Weistec - Corporate Logo
ES#:
4715320
Mfg#:
01-839-02093-5
In Stock
Limited Qty Sale
$139.00

This product was last offered at the strikethrough price on
05-06-2026

$130.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Diverter Valve - MQB Evo

Replaces the failure-prone factory diaphragm for rock-solid boost control affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Racingline - Corporate Logo
ES#:
5456834
Mfg#:
VWR144002
Ships in 3 Business Days
$440.99 USD
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Blow Off Valves

The faster you can release boost pressure between shifts the faster you can build it after the gear change. Upgrade your diverter valve with a performance blow-off valve from the industry-leading brands you trust.

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