Tomei Turbo Intake Hose | 2002-2007 Subaru WRX / 2004-21 STI (TB301A-SB01)

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02-07 WRX / 04-21 STI Turbo Intake Hose by Tomei

This product was specifically designed to reduce the restriction of the intake airflow to the turbo, which will improve response and achieve increased power gains. The silicones reinforced structural design prevents the deformation of the hose whilst under high loads of pressure. This also increases durability and reliability whilst optimizing the Turbos performance.

With a larger flow capacity and reduced resistance. The pipe was designed to be as straight as possibly allowed. The reinforced hose design allows the hose to maintain its structure during high boost conditions. This then assists the turbo obtain a stable consistent flow of air.

The product was designed to allow ease of installation and removal. The 2 nipple locations on the pipe are removable. This allows the product to be broken down with ease to minimize labor time. An adapter is also supplied with it to allow compatibility with up to 3 different popular turbo types.


  • Increases Intake Airflow to the Turbo
  • Reinforced Silicone Construction
  • Prevents Deformation Under High Pressure
  • Larger Flow Capacity and Reduced Resistance (Over Stock)
  • Straight-As-Possible Design
  • Removable Nipples for Ease of Installation/Removal
  • Adapter A (Φ56): GDB stock turbo or similar
  • Adapter B (Φ58): GRB stock turbo or similar
  • No Adapter: TOMEI ARMS M7960 or similar


  • 2004 - 2021 Subaru STI 
  • 2002 - 2007 Subaru WRX 


  • Improved Response Time
  • Increased Power Gains
  • Stable & Consistent Air Flow
  • Simplified Install/Removal
  • Increased Durability & Reliability

What's In The Box?

  • 1 - Tomei Turbo Intake Hose


  • Manufacturer's Warranty

Customer Reviews

Based on 13 reviews
Teddy Timoteo

Definitely coming back for more goods! Fast shipping, great price!


Affordable compared to other brands and the quality is great! Install wasn’t too bad either. Very happy with it

Raymond Lee
Tomei Turbo intake hose

MAP provides good delivery service with competitive pricing.

Tight squeeze

Waiting for first drive when the cars back from the shop.

Aaron B
Tomei Intake hose

I have yet to install it yet, but upon inspection the quality appears to be very good. I will follow up with additional info once I install it.