Exterior Components› Body Panels and Components
Perrin Performance
PERRIN 08-14 Subaru WRX / 04-13 Forester XT / 05-09 LGT Inlet Hose Hardware Kit (For PSP-INT-421)
SKU: P004 S-PSP-INT-421
Moderate — 2–4 hours
Description
Fitment
Fitment Guaranteed
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on fit.
Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | Perrin Performance |
| Part Number | P004 S-PSP-INT-421 |
Videos
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2015 Subaru WRX Ep. 900: Installing the Perrin Turbo Sump Restrictor Valve
PERRIN Engine Dress Up
PERRIN TURBO INLET | WHY WRX OVER STI? | THE NURBURGRING | 2015 SUBARU WRX 2016 2017 2018
2015 - 2020 WRX Perrin Cold Air Intake Overview and Install
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Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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