Exhaust› Exhaust Pipes, Systems and Components

Manley Performance

Manley 00-03 Subaru WRX (EJ20) / 04 STi Exhaust 32mm Stainless Race Master Valves

$453.93

SKU: M004 11155-8

In Stock
In Stock
Ships by Jun 17
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Advanced — 4+ hours

Description

The Manley Performance 11155-8 is a set of exhaust valves designed for Subaru WRX and STI models. These valves feature XH-426 stainless steel construction for durability and performance. They are part of Manley Performance's Race Master line, intended for engines operating under 8000 RPM.

Fitment

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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.

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Specifications

BrandManley Performance
Part NumberM004 11155-8

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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