Torque Solution HD Hard Turbo Inlet Carbon Fiber OEM / 2.4" Subaru WRX 02-07 / STI 04-21 | TS-SU-881CF-O

Product Fitment: 

2002-2007 Subaru WRX

2004-2021 Subaru STI

Unlock maximum airflow and upgrade the look of your engine bay with the Torque Solution Carbon Fiber HD Turbo Inlet, designed specifically for Subaru EJ-series engines using an STI-style intake manifold. This high-performance inlet eliminates the restrictions of the OEM corrugated rubber hose, delivering smoother airflow, improved turbo response, and bulletproof durability for both street and track setups.

Available in multiple inlet sizes—2.4" (OEM), 3" (PTE, Blouch, Garrett), and 84mm / 3.3" (FP)—this inlet pipe fits a wide range of popular turbocharger configurations. Whether you're running a recirculated setup or speed density, this kit includes everything needed for a clean, direct-fit install.

Features:

• Premium Carbon Fiber Construction with Torque Solution logo

• Smooth, enlarged internal diameter increases airflow to the turbo

• Eliminates failure-prone OEM rubber inlet hose

• Includes 4-ply silicone couplers tailored to your turbo size

• Stainless steel silicone-safe worm gear clamps for secure, damage-free fastening

• Compatible with recirculated or speed density setups

• Full installation hardware included

• Limited Lifetime Warranty

Included in the Kit:

• (1) Carbon Fiber HD Turbo Inlet

• (1) Silicone Coupler (Choose: OEM 2.4", 3", or 84mm/3.3")

• (1) 1/4" Stainless NPT Plug

• (1) Billet 1/4" NPT to 3/8" Straight Barb Fitting

• (1) Billet 1/4" NPT to 3/8" 90° Barb Fitting

• (1) Billet 3/8" NPT to 5/8" 90° Barb Fitting

• (1) Billet Recirculation Adapter

• (1) Billet Speed Density Cap

• (1) 80–100mm Silicone-Safe Clamp (Wide)

• (1) 70–90mm Silicone-Safe Clamp (Wide)

• (2) 70–90mm Silicone-Safe Clamps (Standard)

• (1) 25–40mm Silicone-Safe Clamp (Standard)

Installation Notes:

• Coupler trimming required: Trim both ends in 1/8" increments using a worm gear clamp as a straight-edge guide and a sharp blade.

• Use masking tape on the carbon fiber during install to prevent scratches.

• All fittings should be installed with PTFE (Teflon) tape for leak-free sealing.

Fitment Notes:

• Fits all Subaru EJ engines with STI-style intake manifolds

• Turbo options must match selected coupler size:

  • 2.4" – OEM turbos

  • 3.0" – PTE, Blouch, Garrett

  • 3.3" (84mm) – Forced Performance (FP) turbos