FOMIUZY 2.5" High-Flow Front Catalytic Converter - 2.5" Inlet/Outlet, 11" Length, O2 Port, Aluminized Stainless

This front catalytic converter from FOMIUZY is built as a universal direct-replacement assembly with 2.5" inlet and outlet tubing and an 11" overall length, supplied in a two-piece set. Constructed with aluminized stainless steel and a double-layer ceramic carrier, it targets drivers who need a durable, high-flow repair part for emission control systems outside states with stricter regulations. The unit includes an O2 sensor port for straightforward installation and diagnostics, and it is factory tested to align with OEM fit and function.

How does this catalytic converter fit my vehicle?

The FOMIUZY unit is designed as a universal front converter with a 2.5" inlet and outlet and an 11" overall length, intended for vehicles that accept that tubing size and layout. It installs in-line and features an O2 sensor port so you can reuse or replace your existing sensor without additional modifications.

• 2.5" inlet and 2.5" outlet dimensions — measure your exhaust before ordering.
• 11" overall length — verify clearance and hanger locations.
• Direct-fit pattern — can be welded or clamped for final sealing.
• Includes two catalytic converters in the package for dual installations.

What materials and construction improve durability and flow?

The converter uses aluminized stainless steel for the outer shell and a double-layer high-temperature ceramic carrier inside to balance strength with gas throughput. These choices resist corrosion and keep flow characteristics steady under typical driving conditions.

• Aluminized stainless steel body for corrosion resistance.
• Double-layer ceramic substrate increases surface area and flow rate.
• High-temperature materials reduce thermal breakdown risk.
• O2 sensor port integrated for accurate emissions monitoring.

Will this unit clear error codes and restore exhaust quietness?

Replacing a damaged or missing catalytic converter with this FOMIUZY assembly can address common trouble codes such as P0420 when caused by catalyst failure, and it can reduce rattling or abnormal exhaust noise from a failing unit. Proper installation and sealing are essential for reliable results.

• Intended to remedy catalyst-related fault codes when compatible.
• Helps restore quieter exhaust operation by replacing degraded internals.
• Weld and secure the unit after fitment to ensure proper sealing.
• Factory-tested to meet or exceed OEM specifications for fitment.

Are there legal or regional restrictions I should know about?

This product is manufactured to comply with EPA and OBD3 production standards, but sales are restricted in states with stricter emissions rules (for example, California and certain others). Confirm local regulations before purchasing and check that the part number and dimensions match your vehicle’s requirements.

• EPA- and OBD3-aligned production standards stated by the manufacturer.
• Not offered for sale in some states due to heightened local emissions rules.
• Buyer responsibility to verify fitment and local compliance prior to purchase.
• Recommended to weld after installation to improve sealing and durability.

Who is this for: This FOMIUZY catalytic converter kit is aimed at do-it-yourself mechanics, independent shops, and vehicle owners seeking an affordable direct-replacement high-flow front converter with an O2 port. It's best suited for vehicles that accept 2.5" inlet/outlet tubing and an 11" overall length, and for buyers outside states with enhanced emissions restrictions. If you need a factory-tested, corrosion-resistant replacement that can be welded in place and backed by the manufacturer’s warranty, this kit provides a practical solution — just confirm fitment and local legal compliance before installation.