Built for Volvo C30 and MKII Focus ST225 owners chasing serious power without sacrificing daily drivability, the GT3071R-WG NSL turbo and manifold combo delivers big GT30-class output while retaining a spool character closer to a GT28. It’s the ideal first step for T5 platform owners who want to move well beyond stock power while keeping the turbo near its factory location for a cleaner install.

Specifications

• Compressor Wheel Size: 71mm
• Compressor Trim: 56 trim
• Turbine Wheel Size: 56.5mm
• Turbine Housing A/R: .86 A/R
• Wastegate Configuration: Internally wastegated
• Bearing Type: Dual Ball Bearing
• Compressor Housing Inlet: 3″ hose connection
• Compressor Housing Outlet: 2″ hose connection
• Exhaust Connection Type: V-band
• HP Capacity: 400+ HP
• Mounting Configuration: NSL (Near Stock Location)

Performance & Application

The GT3071R-WG is engineered for the Volvo C30 and MKII Focus ST225 T5 engine platform, offering a path to significant horsepower gains beyond what the stock turbo can support. Despite its GT30-level power capability, this turbo is known to spool like a GT28, giving drivers strong responsiveness without the typical lag associated with larger frame turbos. The internally gated .86 A/R turbine housing allows the engine to exhale efficiently, enabling the turbo to make big power seamlessly without choking up top-end flow. This combination makes it a strong foundation for enthusiasts targeting serious power increases while maintaining a broad, usable powerband.

Compatibility & Fitment

• Volvo C30 (T5 engine platform)
• Ford Focus ST225 (MKII)

Frequently Asked Questions

What HP can the GT3071R-WG support?

This turbo is capable of supporting 400+ HP on the T5 engine platform.

Is this a ball bearing or journal bearing turbo?

The GT3071R-WG is a Dual Ball Bearing turbo unit.

What is the A/R ratio of the turbine housing?

It uses an internally gated .86 A/R turbine housing.

What vehicles is this turbo compatible with?

This turbo and manifold combo is designed for the Volvo C30 and MKII Focus ST225, both built on the T5 engine platform.

For T5 platform owners serious about stepping up to GT30-level power while keeping GT28-like spool characteristics, the GT3071R-WG NSL turbo and manifold combo is the proven starting point for reaching your big horsepower goals.