T25 Manifold for Volvo C30 T5 / Ford ST225 G28 / GTX28 GT30 GTX30 T25 Int W/G

This T25 flanged turbo manifold is purpose-built for Volvo 5-cylinder turbo owners and Ford Focus ST225 enthusiasts looking to step up to an external wastegate setup. Designed with cross-generational compatibility in mind, it gives serious builders the flexibility to run a range of popular T25 turbos while maintaining a heavy-duty construction that holds up to real street and race abuse. Whether you’re building a C30 T5 or reviving an older 2.3T-2.5T platform, this manifold was engineered to bolt up and perform.

Specifications

• Turbine Flange: T25
• Wastegate Flange: External wastegate flange, Tial 38mm (or similar size 2-bolt wastegate); compatible with Tial 44mm using ATP Adapter
• Flange Thread Tap: 8mm x 1.25 pitch
• Construction: Heavy duty, built to withstand harsh street or racing conditions
• Compatible Turbos: GT28RS, GT2871R, GT3071R-WG, GT3076R-WG (also compatible with all other turbos flanged for T25)

Performance & Application

This manifold is designed around the Volvo transversely mounted 5-cylinder turbo engine family, spanning the 2.3T, 2.4T, 2.5T, and T5 variants, as well as the Ford Focus ST225 platform. It supports a range of T25-flanged turbochargers, from the compact GT28RS up through the larger GT3071R-WG and GT3076R-WG, giving builders flexibility to tailor spool characteristics and top-end power to their goals. The heavy-duty build quality is intended to hold up under both daily street driving and higher-stress racing conditions. This manifold is best suited for enthusiasts planning an external wastegate turbo setup on these platforms.

Compatibility & Fitment

• Volvo C30 T5
• Ford Focus ST225
• Volvo transversely mounted 5-cylinder turbo engines, 2.3L to 2.5L (2.3T, 2.4T, 2.5T, T5)
• Volvo models dating back to 1993, including the 850
• Volvo S60/V70 front-wheel-drive models, 2001-2005, with the larger GT30 series turbos (clearance verified)

Frequently Asked Questions

What wastegate does this manifold support?

The manifold has an external wastegate flange sized for a Tial 38mm (or similar size 2-bolt) wastegate. It can also be used with a T