T25 to T4 Turbo Flange Reduction Adapter
Upgrade your turbo setup with this stainless steel flange adapter, designed for enthusiasts looking to adapt a T25 turbo bolt pattern to a T4 manifold or vice versa. Ideal for custom turbo projects or swaps where bolt pattern compatibility is key.
Fitment
- Allows you to change the distance between the bolts securing the turbocharger from T25 to T4
Material & Construction
- Stainless steel
Technical Specifications
- Converts bolt spacing from T25 to T4
What’s Included
- Flange - reduction under turbo
Installation Notes
- Ensure proper alignment and secure fastening during installation for optimal sealing and reliability.
Universal Part: This product fits multiple vehicles (universal application).
Vehicle Compatibility
| Brand | Model | Generation / Chassis | Engine |
|---|---|---|---|
| Universal | - | - | - |
TURBOWORKS
Turboworks is a Polish manufacturer and supplier of performance turbochargers and forced-induction components. Based in Rzeszów, Poland, Turboworks engineers and balances their turbochargers in-house, offering T3/T4, GT, and ball-bearing turbo units for a wide range of turbocharged street and motorsport applications.
Official page: turboworks.pl
Official page: turboworks.pl
| Default | |
| Make | Subaru |
T25 to T4 Turbo Flange Reducer - High-Performance Adapter
34.42€
Excl. VAT: 28.45€
Tags: TURBOWORKS Flanges flat,
This product has universal fitment.

Official page: turboworks.pl
| Default | |
| Make | Subaru |




