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Defouler Bung
2 products
2 products
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$17.99
The Defouler Bung is an optional accessory to add to your Performance Pipe purchase. Function Werk states that it prevents a CEL light or code from appearing.
Fitment
Universal application. Thread and pitch: M18x1.5. Fits most exhaust bungs.
Important information
There is material inside the bung. Do not remove it, as it helps the bung function properly.
$28.00
This optional 90-degree defouler bung is an accessory to add to your Performance Pipe purchase.
Fitment and specifications
Universal application with M18x1.5 thread and pitch. Fits most exhaust bungs.
Important information
Function Werk states that this bung prevents a CEL light or code from appearing.
There will be some material inside the bung. Do not remove it, as it helps the bung function properly.
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In-stock products typically ship within 2-3 business days.
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Each product is engineered for specific Honda & Acura models — no universal fitment.
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