S&B Turbo Inlet Manifold for Chevy / GMC Duramax LLY 6.6L

Turbo Inlet Manifold for Chevy / GMC Duramax LLY 6.6L

Maximize airflow into your Duramax turbocharger with this billet aluminum turbo inlet manifold, engineered to replace the restrictive factory unit. The larger, smoother bore reduces turbulence at the compressor inlet, helping the turbo spool faster and perform more efficiently. A direct bolt-on upgrade with all hardware included.

Key Features

• Billet aluminum turbo inlet manifold for the Duramax - replaces the OEM unit
• Larger, smoother bore reduces turbulence and improves compressor inlet efficiency
• Helps turbocharger spool faster and reach peak boost more quickly
• Direct bolt-on replacement - no modification required
• CNC-machined billet aluminum construction for precision fit and long-term durability

Benefits

The factory turbo inlet on the Duramax is a known restriction point that limits turbocharger efficiency. Replacing it with this billet aluminum unit delivers measurable improvements in spool time and boost response - with no tuning required.

Fitment

Designed for Duramax applications. Confirm engine variant before ordering.

Notes

Torque all mounting hardware to the manufacturer's specification. Inspect adjacent intake boots and clamps when performing this upgrade.

What's Included

• Billet aluminum turbo inlet manifold
• All required gaskets and mounting hardware