Mishimoto MMHOSE-SUB-ITBBK Black Silicone Throttle Body Hose 08-15 Subaru WRX

Vehicle Fitment

• 2008-2015 Subaru WRX (Turbo AWD, EJ255/FA20DIT)
• 2009-2013 Subaru Forester XT (Turbo AWD)
• 2005-2009 Subaru Legacy GT / GT Limited & Outback XT (Turbo AWD)

Features

• Direct-fit silicone throttle body hose replacement
• 100 % high-grade silicone with heat-resistant embedded fibers
• Five-layer construction for superior pressure durability
• Improved pressure and heat tolerance vs stock rubber hose
• Easy installation - typically under one hour
• Includes high-torque worm-gear clamps for secure fit
• Equipped with molded position indicator for proper alignment
• Enhances intake reliability under boost pressures
• Backed by Mishimoto Lifetime Warranty

Specifications

• Part Number: MMHOSE-SUB-ITBBK
• Material: High-grade silicone with heat-resistant embedded fibers
• Color: Black
• Application: Throttle body/intercooler inlet hose
• Compatible Engines: EJ255 2.5L turbo & FA20DIT 2.0L turbo
• Includes: Silicone hose + high-torque worm-gear clamps
• Max Temperature Rating: ~330 °F (~166 °C)
• Fitment Years: 2008-2015 WRX; 2009-2013 Forester XT; 2005-2009 Legacy GT/Outback XT**

Included Components

• 1x Black silicone throttle body hose (MMHOSE-SUB-ITBBK)
• 2x High-torque worm-gear clamps
• Mishimoto Lifetime Warranty documentation

Product Description

The **Mishimoto MMHOSE-SUB-ITBBK** Black Silicone Throttle Body Hose is a high-quality performance upgrade designed for turbocharged Subaru vehicles that often suffer from OEM rubber throttle body hose fatigue or failure under sustained boost. Constructed from 100 % silicone with embedded heat-resistant fibers, this five-layer hose significantly improves heat and pressure tolerance compared to the stock component, offering enhanced reliability for daily driving and performance applications.

Confirmed to fit **2008-2015 Subaru WRX**, **2009-2013 Forester XT**, and **2005-2009 Subaru Legacy GT / Outback XT** models with turbocharged engines, the MMHOSE-SUB-ITBBK installs quickly with included high-torque worm-gear clamps and features a position indicator for proper alignment. Its robust silicone construction resists degradation from heat and boost pressure, helping maintain stable airflow into the engine. Backed by Mishimoto's Lifetime Warranty, this silicone throttle body hose is an easy upgrade for enthusiasts seeking improved intake durability and performance.