EVO8 Bolt-on GT / GTX Turbo with Stealth EXT W/G Housing (Fits all EVO 6.5 through EVO9)

The EVO8 Bolt-on GT/GTX Turbo with Stealth EXT Wastegate Housing is a direct-fit turbocharger solution built for Mitsubishi Evolution owners who want serious power without cutting or modifying their factory exhaust manifold. Designed around a ball bearing GT or GTX turbo core, this unit is engineered for enthusiasts stepping up from stock turbo limitations who want a proven, bolt-on upgrade path. It’s the same turbo unit used in the full Stealth kit, giving buyers a trusted, track-tested foundation for their build.

Specifications

• Bearing Type: Ball Bearing (GT or GTX Turbo)
• Wastegate Flange: Tial 44mm wastegate flange machined into the side of the housing
• Downpipe Exit Flange: Standard 3″ V-band
• Manifold Fitment: Bolts directly to stock Evolution 6.5 through Evolution 9 exhaust manifold
• Turbo Model / A/R Options: GT3071R (.63 A/R)
• Turbo Model / A/R Options: GT3037S (.63 A/R)
• Turbo Model / A/R Options: GT3540R (.63 A/R)
• Turbo Model / A/R Options: GT3540R (.82 A/R)
• Turbo Model / A/R Options: GTX3071R (.63 A/R)
• Turbo Model / A/R Options: GTX3076R (.63 A/R)
• Turbo Model / A/R Options: GTX3582R (.63 A/R)
• Turbo Model / A/R Options: GTX3582R (.82 A/R)
• Turbo Model / A/R Options: Gen2 GTX3576R (.63 A/R)
• Turbo Model / A/R Options: Gen2 GTX3576R (.82 A/R)
• Turbo Model / A/R Options: Gen2 GTX3582R (.63 A/R)
• Turbo Model / A/R Options: Gen2 GTX3582R (.82 A/R)
• Turbo Model / A/R Options: Gen2 GTX3076R (.63 A/R)
• Turbo Model / A/R Options: Gen2 GTX3071R (.63 A/R)
• Housing Finish Option: Optional Polished Housing
• Shroud Machining Option: Ported Shroud (Anti-surge) Machining — Bullet Drill Ported Shroud or Cast-in Ported Shroud

Performance & Application

This turbo housing package is purpose-built for the Evolution platform, giving owners a choice between GT and GTX ball bearing turbo models depending on their power and response goals. Because it bolts directly to the stock exhaust manifold, there’s no need for custom fabrication, making it an efficient path to a significant power upgrade. The integrated Tial 44mm wastegate flange and 3″ V-band downpipe exit streamline installation while supporting a range of turbo sizes and A/R ratios to match different build objectives. Whether the goal is quicker spool or higher top-end capability, the available turbo and A/R combinations allow the setup to be tailored to the intended use.

Compatibility & Fitment

• Bolts to stock Evolution 6.5 exhaust manifold
• Bolts to stock Evolution 7 exhaust manifold
• Bolts to stock Evolution 8 exhaust manifold
• Bolts to stock Evolution 9 exhaust manifold

Frequently Asked Questions

Is this a ball bearing or journal bearing turbo?

This turbo is offered with a GT or GTX Ball Bearing Turbo core.

What wastegate does this housing accept?</d