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Torque Solution Cast Aluminum HD Hard Turbo Inlet (84mm / 3.3" FP Turbo Inlet) - 2002-2007 Subaru WRX / 2004-2021 STI

Torque Solution Cast Aluminum HD Hard Turbo Inlet (84mm / 3.3" FP Turbo Inlet) - 2002-2007 Subaru WRX / 2004-2021 STI

Torque Solution

Regular price $399.99 USD
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Torque Solution Cast Aluminum HD Hard Turbo Inlet (84mm / 3.3" FP Turbo Inlet) - 2002-2007 Subaru WRX / 2004-2021 STI
Torque Solution Cast Aluminum HD Hard Turbo Inlet (84mm / 3.3" FP Turbo Inlet) - 2002-2007 Subaru WRX / 2004-2021 STI
Torque Solution Cast Aluminum HD Hard Turbo Inlet (84mm / 3.3" FP Turbo Inlet) - 2002-2007 Subaru WRX / 2004-2021 STI
Torque Solution Cast Aluminum HD Hard Turbo Inlet (84mm / 3.3" FP Turbo Inlet) - 2002-2007 Subaru WRX / 2004-2021 STI
Torque Solution Cast Aluminum HD Hard Turbo Inlet (84mm / 3.3" FP Turbo Inlet) - 2002-2007 Subaru WRX / 2004-2021 STI
Torque Solution Cast Aluminum HD Hard Turbo Inlet (84mm / 3.3" FP Turbo Inlet) - 2002-2007 Subaru WRX / 2004-2021 STI
Torque Solution Cast Aluminum HD Hard Turbo Inlet (84mm / 3.3" FP Turbo Inlet) - 2002-2007 Subaru WRX / 2004-2021 STI
Torque Solution Cast Aluminum HD Hard Turbo Inlet (84mm / 3.3" FP Turbo Inlet) - 2002-2007 Subaru WRX / 2004-2021 STI
Torque Solution Cast Aluminum HD Hard Turbo Inlet (84mm / 3.3" FP Turbo Inlet) - 2002-2007 Subaru WRX / 2004-2021 STI
Torque Solution Cast Aluminum HD Hard Turbo Inlet (84mm / 3.3" FP Turbo Inlet) - 2002-2007 Subaru WRX / 2004-2021 STI
Torque Solution Cast Aluminum HD Hard Turbo Inlet (84mm / 3.3" FP Turbo Inlet) - 2002-2007 Subaru WRX / 2004-2021 STI
Torque Solution Cast Aluminum HD Hard Turbo Inlet (84mm / 3.3" FP Turbo Inlet) - 2002-2007 Subaru WRX / 2004-2021 STI
Torque Solution Cast Aluminum HD Hard Turbo Inlet (84mm / 3.3" FP Turbo Inlet) - 2002-2007 Subaru WRX / 2004-2021 STI
PRODUCT DETAILS
Torque Solution Cast Aluminum HD Hard Turbo Inlet (84mm / 3.3" FP Turbo Inlet) - 2002-2007 Subaru WRX / 2004-2021 STI

Torque Solution HD Hard Turbo Inlet Pipe - Cast Aluminum - 84mm / 3.3"  Coupler

The Torque Solution Cast Aluminum HD Hard Turbo Inlet Pipe is built for Subaru EJ engines using an STI or similar intake manifold. With a larger diameter and smooth interior walls, it delivers improved airflow to the turbo, eliminating the restrictions of the factory corrugated hose. Each kit comes with all necessary hardware for an easy install, whether you’re running a standard recirculated setup or a full speed density build. Choose from three inlet sizes—2.4" (OEM), 3" (PTE, Blouch, Garrett), or 84mm/3.3" (FP)—to suit your turbo configuration.

 

DETAILS:

  • Cast Aluminum / Black Anodized
  • Smooths and Increases Airflow Entering Turbo
  • Eliminates failure prone corrugated rubber hose
  • 4-ply Silicone Couplers - 84mm / 3.3" FP
  • Includes Silicone Friendly Stainless Steel Hose Clamps
  • Direct Fitment
  • Includes All Necessary Hardware To Install
  • Able to be installed Recirculated or as Speed Density
  • Limited Lifetime Warranty

 

Fitment:

2002-2007 Subaru WRX

2004-2021 Subaru STI 



Includes:
Cast Aluminum HD Turbo Inlet (1)
- 84mm / 3.3" FP Silicone Turbo Coupler (1)
- 1/4 Stainless NPT Plug (1)
- Billet Aluminum 1/4 NPT to 3/8 Straight Barb Fitting (1)
- Billet Aluminum 1/4 NPT to 3/8 90 Degree Barb Fitting (1)
- Billet Aluminum 3/8 NPT to 5/8 90 Degree Barb Fitting (1)
- Billet Aluminum Inlet Recirculation Adapter (1)
- Billet Aluminum Inlet Speed Density Cap (1)
- 80-100mm Wide Width Silicone Safe Worm Gear Clamp (1)
- 70-90mm Wide Width Silicone Safe Worm Gear Clamp (1)
- 70-90mm Standard Width Silicone Safe Worm Gear Clamp (2)
- 25-40mm Standard Width Silicone Safe Worm Gear Clamp (1)

Install Notes:
1. Coupler will need trimming on both ends to fit. We recommend trimming in approx. 1/8" increments using a worm gear clamp as a guide and a fresh sharp blade. Please be careful and use caution when performing this task.
2. We highly recommend using masking tape on the inlet to prevent scratching till you have the coupler perfectly trimmed.
3. Install all fittings with a ptfe tape.

WHY WE CARRY THIS

We only list parts we’d run ourselves or recommend to a friend building a real car. If it feels vague, unverified, or inconsistent, it doesn’t make the cut.

  • Fitment-first mindset — no “universal” roulette
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  • Support that actually responds with real answers
WHAT TO EXPECT

This is the clean path: correct fitment, clean install, and results that match the intent.

  • Install-ready experience with correct mounting where provided
  • Finish that holds up to real driving, not just photos
  • Selections on this page drive the exact fitment shipped

TRUST, BUILT INTO THE PROCESS.

Anyone can list parts. We curate what belongs on a serious build. Our goal is simple: fewer surprises, cleaner installs, and confidence when you hit “Buy.”

Fitment checked

We prioritize vehicle-specific listings and clear selection logic so you’re not gambling on compatibility.

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Proven manufacturing and consistent quality matter more than hype. We bias toward what actually holds up.

Real support

If you have a question, you’ll get a human answer that helps you finish the build — not a copy-paste shrug.

Torque Solution HD Hard Turbo Inlet Pipe - Cast Aluminum - 84mm / 3.3"  Coupler

The Torque Solution Cast Aluminum HD Hard Turbo Inlet Pipe is built for Subaru EJ engines using an STI or similar intake manifold. With a larger diameter and smooth interior walls, it delivers improved airflow to the turbo, eliminating the restrictions of the factory corrugated hose. Each kit comes with all necessary hardware for an easy install, whether you’re running a standard recirculated setup or a full speed density build. Choose from three inlet sizes—2.4" (OEM), 3" (PTE, Blouch, Garrett), or 84mm/3.3" (FP)—to suit your turbo configuration.

 

DETAILS:

  • Cast Aluminum / Black Anodized
  • Smooths and Increases Airflow Entering Turbo
  • Eliminates failure prone corrugated rubber hose
  • 4-ply Silicone Couplers - 84mm / 3.3" FP
  • Includes Silicone Friendly Stainless Steel Hose Clamps
  • Direct Fitment
  • Includes All Necessary Hardware To Install
  • Able to be installed Recirculated or as Speed Density
  • Limited Lifetime Warranty

 

Fitment:

2002-2007 Subaru WRX

2004-2021 Subaru STI 



Includes:
Cast Aluminum HD Turbo Inlet (1)
- 84mm / 3.3" FP Silicone Turbo Coupler (1)
- 1/4 Stainless NPT Plug (1)
- Billet Aluminum 1/4 NPT to 3/8 Straight Barb Fitting (1)
- Billet Aluminum 1/4 NPT to 3/8 90 Degree Barb Fitting (1)
- Billet Aluminum 3/8 NPT to 5/8 90 Degree Barb Fitting (1)
- Billet Aluminum Inlet Recirculation Adapter (1)
- Billet Aluminum Inlet Speed Density Cap (1)
- 80-100mm Wide Width Silicone Safe Worm Gear Clamp (1)
- 70-90mm Wide Width Silicone Safe Worm Gear Clamp (1)
- 70-90mm Standard Width Silicone Safe Worm Gear Clamp (2)
- 25-40mm Standard Width Silicone Safe Worm Gear Clamp (1)

Install Notes:
1. Coupler will need trimming on both ends to fit. We recommend trimming in approx. 1/8" increments using a worm gear clamp as a guide and a fresh sharp blade. Please be careful and use caution when performing this task.
2. We highly recommend using masking tape on the inlet to prevent scratching till you have the coupler perfectly trimmed.
3. Install all fittings with a ptfe tape.

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