🔥 T3 .80 A/R Internally Gated Exhaust Housing – For 68mm S300 Turbine Wheel | Optional HX40 or HE351 Flange

Upgrade your turbo system with this versatile T3 .80 A/R internally gated exhaust housing, specifically engineered for use with the 68mm S300 turbine wheel. Perfect for both single and twin turbo setups, this housing features an integrated wastegate port with the option to add a spring-actuated internal wastegate for precise boost control.

Choose between two common outlet flange options—HE351 (4 3⁄8" OD) or HX40 (4.00" OD)—to match your existing downpipe and ensure a clean, bolt-on fit.

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🔧 Key Features:

• T3 turbine inlet flange – compact footprint for tight engine bays

• A/R: .80 – ideal balance of spool and top-end flow

• Fits 68mm S300 turbine wheels

• Optional internal spring-style wastegate for boost control

• Available outlet flange options:
  • HE351 (4 3⁄8" OD)
  • HX40 (4.00" OD)

• Compatible with single or compound (twin) turbocharger configurations

• Cast iron construction for high-heat, high-boost durability

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📦 What’s Included:

• 1x T3 .80 A/R Internally Gated Exhaust Housing

• Choose outlet flange style: HE351 or HX40

• Optional: Spring-actuated wastegate assembly (if selected)

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Whether you're fine-tuning a street truck or building a twin setup, this internally gated housing delivers boost control, fitment flexibility, and durability in one compact package.

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