Air and Fuel› Air and Fuel Cooling Systems and Components
Perrin Performance
PERRIN 15-21 Subaru WRX/STI Stencil for FMIC kit (For PSP-ITR-437)
SKU: P004 X-PSP-ITR-437
Moderate — 2–4 hours
Description
Part #: X-PSP-ITR-437
MIA's Description
Fitment
Fitment Guaranteed
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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 X-PSP-ITR-437 |
Videos
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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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