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Real experience
We test before we recommend.
PRODUCT DESCRIPTION
FMIC.EU 300 CPSI Universal Metallic Catalyst Insert – Weld-in Type
This universal metallic catalyst insert (300 CPSI) is designed for custom exhaust systems, catalytic converter repairs, or tuning applications. It ensures consistent flow and high thermal resistance even under demanding conditions. It complies with Euro 5 emission standards, making it suitable for current environmental regulations.
Product Specifications:
300 CPSI for high exhaust flow
Length: 100 mm
Diameter: 76 mm
Weld-in insert for catalyst housing
Emission standard: Euro 5
Brand: FMIC.EU
Applications:
Ideal for universal or custom catalytic converter systems in a wide range of vehicles, including high-performance and competition setups.










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Each product indicates compatible models in the product description. If you have any questions, you can contact us and we will help you choose your best option.
-If the product is in stock, the usual delivery time is 2 to 5 working days.
-If the product is out of stock, the delivery time is 7 to 15 working days.
All our products come with the manufacturer's official warranty and comply with current regulations.
Yes. We ship orders to Spain and most European countries using specialized transport agencies.
You can contact our team via WhatsApp, email, or our website's contact form.
Shipping costs depend on the type of product, its weight, dimensions, and the destination country. In most cases, the amount is calculated automatically during the checkout process before the order is finalized.
For some products, especially large items or those with special characteristics, shipping costs may require a manual review. If the amount shown does not match the actual shipping cost, we will contact you before processing the order to inform you of the final cost and request your confirmation before proceeding. We will never charge any additional fees without your authorization.