Built specifically for Audi 5-cylinder enthusiasts running K24/K26 based platforms, this turbine housing solves the classic swap headache of mismatched flanges when upgrading to a GT28 or GTX28 series turbo. It bolts directly into the stock K26 turbine and outlet flange configuration, meaning your existing manifold and downpipe stay in place with no adapters or custom fabrication required. For builders who want modern GTX performance without abandoning factory-compatible plumbing, this housing is the direct-fit solution.
Specifications
- A/R Ratio: .63
- Turbine Housing Inlet Flange: K26 flanged
- Outlet Configuration: 4 bolt outlet
- Compatible Turbine Wheel Size: 53.5mm
Performance & Application
This housing is designed for Audi 5-cylinder K24/K26 applications looking to upgrade turbo performance while retaining stock manifold and downpipe compatibility. It enables a direct swap onto GT28RS, GT2871R, GT2876R, and GTX Gen1/Gen2 turbos equipped with the correct turbine wheel size, giving builders a straightforward path to more capable turbocharger hardware. This is the go-to choice for Audi 5-cylinder platforms where preserving factory-style flange fitment is a priority during a turbo upgrade.
Compatibility & Fitment
- Audi 5 Cylinder K24/K26 direct replacement applications
- Compatible with GT28RS turbochargers
- Compatible with GT2871R turbochargers
- Compatible with GT2876R turbochargers
- Compatible with all GTX Gen1 and GTX Gen2 turbos featuring the 53.5mm turbine wheel
- Allows use of stock Audi manifold
- Allows use of stock downpipe flanges
Frequently Asked Questions
- What is the A/R ratio of this turbine housing?
- This turbine housing is a GT28 .63 A/R configuration.
- Which turbochargers is this turbine housing compatible with?
- It fits GT28RS, GT2871R, GT2876R, and all GTX Gen1 and GTX Gen2 turbos that use the 53.5mm turbine wheel.
- Will this housing work with my stock Audi manifold and downpipe?
- Yes, this housing is K26 flanged in and out, allowing the use of the stock Audi manifold and stock downpipe flanges.
- What outlet configuration does this turbine housing use?
- It features a 4 bolt outlet configuration.
For Audi 5-cylinder builders seeking a true direct-fit upgrade path to GT28/GTX28 turbo performance, this K26 flanged turbine housing delivers the exact fitment needed without sacrificing stock manifold or downpipe compatibility.
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