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  • PERRIN 02-07 WRX / 04-21 STI Throttle Body Hose Blue | PSP-ITR-301BL
  • PERRIN 02-07 WRX / 04-21 STI Throttle Body Hose Blue | PSP-ITR-301BL
  • PERRIN 02-07 WRX / 04-21 STI Throttle Body Hose Blue | PSP-ITR-301BL
  • PERRIN 02-07 WRX / 04-21 STI Throttle Body Hose Blue | PSP-ITR-301BL

Perrin Performance

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Perrin Throttle Body Hose - Blue

Fits: 02-07 WRX, 04-21 STI

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Auto Parts Store of the Year 2026

Perrin Performance Perrin Throttle Body Hose - Blue
Fits: 02-07 WRX, 04-21 STI
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Fitment

Please Note: Fiber reinforced 5-ply silicone tube, high-gloss blue finish; connects intercooler to throttle body; direct OEM replacement - no tuning required, ~1 hour install. Prop 65 Warning: Cancer and Reproductive Harm. Category set to Motor Vehicle Engine Parts (was generic Vehicle Parts & Accessories). Inventory 12 (unchanged).
  • 2004–2021 Subaru | WRX STI
  • 2002–2007 Subaru | WRX

Description

Remove your dull OEM top mount intercooler coupler and replace it with a PERRIN coupler kit and give your engine bay a touch of style. The PERRIN Performance intercooler coupler kit replaces your factory coupler with our high-gloss, vibrant color hose that looks and works better. Our silicone couplers are made from fiber reinforced 5-ply silicone tube. Our high strength reinforced silicone's multi-layer design is capable of withstanding extremely high pressures and temperatures. Comes with worm gear clamps.

  • Fits 2002-2007 Subaru WRX and 2004-2021 Subaru STI
  • High-gloss blue silicone throttle body hose - direct OEM replacement
  • Fiber reinforced 5-ply silicone tube withstands extreme pressures and temperatures
  • Connects the intercooler to the throttle body; improves throttle response and boost delivery
  • No tuning required; easy installation in about 1 hour with hand tools
  • Includes PERRIN intercooler coupler, clamps, warranty and instructions
  • Part #PSP-ITR-301BL
  • 5-year manufacturer warranty
  • Prop 65 Warning: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

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Limited Manufacturer Warranty

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Proposition 65

Proposition 65 Warnings: cancer and reproductive harm www.p65warnings.ca.gov