• - Blow off VALVE Adaptor for VAG Fsit Tfsi Bov Adapter for Audi A3 1.4 1.8 2.0 Tsi/Fsti Turbo
  • - Blow off VALVE Adaptor for VAG Fsit Tfsi Bov Adapter for Audi A3 1.4 1.8 2.0 Tsi/Fsti Turbo
  • - Blow off VALVE Adaptor for VAG Fsit Tfsi Bov Adapter for Audi A3 1.4 1.8 2.0 Tsi/Fsti Turbo
  • - Blow off VALVE Adaptor for VAG Fsit Tfsi Bov Adapter for Audi A3 1.4 1.8 2.0 Tsi/Fsti Turbo
  • - Blow off VALVE Adaptor for VAG Fsit Tfsi Bov Adapter for Audi A3 1.4 1.8 2.0 Tsi/Fsti Turbo
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Torque Syndicate Performance

BOV Adapter for VAG TSI/TFSI | Audi A3 1.4/1.8/2.0 | Torque Syndicate

BOV Adapter for VAG TSI/TFSI | Audi A3 1.4/1.8/2.0 | Torque Syndicate

$11.15 USD
$0.00 USD $11.15 USD
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Add the turbo sound, keep OEM drivability. This blow-off valve (BOV) adapter/spacer fits VAG 1.4 / 1.8 / 2.0 TSI/TFSI engines and mounts between the factory electronic diverter valve (DV) and the turbo. It vents a portion of charge air to atmosphere for the classic “pssh” while leaving the stock DV and ECU strategy intact.

Highlights

  • Direct bolt-on: installs between OEM DV and turbo housing
  • Sound without a tune: atmospheric vent for audible release
  • CNC-machined aluminum with anodized finish; reusable O-rings
  • Includes mounting hardware; no permanent mods
  • Reversible: remove anytime to return to stock

Compatibility / fitment

Designed for vehicles using the VAG electronic DV mounted on the compressor housing. Common applications include:

  • Audi A3 1.4 / 1.8 / 2.0 TFSI (select years/engines)
  • Also used across many VAG 1.4 / 1.8 / 2.0 TSI/TFSI engines (Golf/GTI, Jetta/GLI, Passat, Octavia, Leon, etc.) — confirm DV bolt pattern and turbo before purchase.

What’s in the box

  • BOV adapter/spacer with pre-installed O-rings
  • Mounting bolts (if required for your application)
  • Basic install guide

Install notes

  • Disconnect battery, locate DV on turbo, unbolt DV, insert spacer, refit DV with supplied bolts.
  • Ensure O-rings are seated; lightly lubricate for a proper seal.
  • Tighten hardware to manufacturer-appropriate torque; do not overtighten.

FAQ

Will I get a check engine light?
Properly sealed installs typically do not trigger a CEL. If a code appears, check O-ring seating and connections for leaks.
Do I need a tune?
No tune is required; you’re retaining the stock electronic DV. A tune is only needed if changing turbo/MAF/fueling components.
Is this legal for street use?
Regulations vary by region. This part may be intended for off-road/track use where required by law.

All vehicle names are for fitment reference only and do not imply affiliation. Verify by VIN/turbo/DV pattern before ordering.

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