1 1

Catco Catalytic Converters 4877 Catco Direct-Fit Catalytic Converters

Catco Catalytic Converters 4877 Catco Direct-Fit Catalytic Converters

$368.00
$368.00
Sale Sold out

Catco Federal/EPA direct-fit catalytic converters (4877) provide an economical emissions-legal replacement for failed or clogged factory converters. Catco converters are manufactured to meet or exceed EPA requirements for OBDII compatibility and emissions reduction making them a reliable choice for both restoration and maintenance replacements. These converters are designed for 50,000-mile durability under normal driving conditions with proper engine operation.

Each converter features a premium ceramic substrate with precious metal loadings calibrated to the specific application. The aluminized steel body resists corrosion while OE-style flanges ensure a proper seal. Oxygen sensor provisions are included where required for OBDII compliance. The direct-fit design eliminates the need for universal installation with welding. Catco converters are tested to meet Federal emissions standards for the specific vehicle application ensuring trouble-free emissions testing.

Bolt-on replacement using existing mounting points. All necessary gaskets and hardware are included. Professional installation is recommended to verify proper O2 sensor operation post-installation. Check local emissions regulations to confirm applicability for your vehicle. Not for off-road use unless explicitly stated. Catco recommends replacing oxygen sensors at the same time for optimal system performance.

Shop with confidence at GodsMods. All exhaust components listed are sourced from authorized distributors and backed by manufacturer warranties. Contact our technical team with fitment questions before ordering we verify compatibility for every application. We stand behind every product we sell with fast shipping and expert support.
View full details

Frequently Asked Questions

Does this catco catalytic converter a direct-fit replacement for my vehicle?

This Catco catalytic converter is designed as a direct-fit replacement for specific vehicle applications. It bolts directly to the factory exhaust system without requiring additional welding or fabrication. The converter includes the correct flanges and oxygen sensor bungs for your specific year, make, and model. Check the product fitment notes to confirm compatibility before purchasing for your vehicle. Proper installation is key to getting the best results from this upgrade.

Does the Catco catalytic converter meet EPA emission standards for road use?

Yes, this Catco catalytic converter is certified to meet federal EPA emissions standards for legal on-road use in all 50 states. It features the required substrate density and precious metal loading to effectively reduce hydrocarbons, carbon monoxide, and nitrogen oxides. Keep in mind that some California vehicles may require a CARB EO number for legal installation. The Catco converter is designed to work with your factory OBD-II system without triggering check engine lights.

How much does a Catco catalytic converter improve exhaust flow over a clogged factory unit?

Replacing a clogged or failing factory converter with a new Catco catalytic converter can restore exhaust flow and recover lost horsepower. A fresh Catco converter flows significantly better than one that is partially blocked by carbon buildup or melted substrate. You will notice improved throttle response, better fuel economy, and reduced exhaust backpressure after the swap. A properly functioning catalytic converter should not restrict your engine performance noticeably.

What is the warranty on the Catco catalytic converter and what does it cover?

The Catco catalytic converter comes with a manufacturer warranty that typically covers defects in materials and workmanship. Federal law requires an emissions warranty of 8 years or 80,000 miles on original equipment replacement converters. The warranty does not cover damage from improper installation, engine misfires, or contamination from oil or coolant in the exhaust. Register your Catco converter at the time of purchase to activate the full warranty coverage.

Will the Catco catalytic converter fit with aftermarket exhaust headers and systems?

The Catco catalytic converter may require modification to fit with aftermarket headers or custom exhaust systems unless it matches the flange pattern and position. Direct-fit Catco converters are designed for factory exhaust geometry and may not align with headers that change the collector position. Universal Catco converters offer more flexibility since they can be welded into any exhaust system. Measure your exhaust layout carefully and choose the appropriate Catco converter style.