Description
Overview
The Flowmaster Catalytic Converter-Universal-225 Series is a premium-grade, 3-way universal converter built to meet Federal EPA emissions requirements across a wide variety of applications. Manufactured in the USA with a durable stainless steel outer shell, it pairs a carefully engineered ceramic core substrate with precise precious metal loading to deliver strong emissions performance without the headaches common to lower-quality units. With a 2.50 in. inlet and 2.50 in. outlet in a slip-fit, weld-on configuration, it’s ready for professional installation on your exhaust system.
What Does a Catalytic Converter Do?
If you’re wondering what a catalytic converter is and what catalytic converters do, the answer is simple: a catalytic converter reduces harmful pollutants in your exhaust before they exit the tailpipe. This 3-way converter is engineered for excellent flow characteristics and to keep the “MIL” (Malfunction Indicator Lamp) light off — a frequent problem with cheaper converters. When you need a reliable catalytic converter replacement or catalytic converter repair, the Flowmaster 225 Series is a proven choice that balances performance and efficiency.
Key Benefits
Flowmaster’s Federal universal converters are designed around durability and long-term compliance. The stainless steel construction resists corrosion and heat, while the included heat shield adds protection during operation. The oval core shape and premium-grade ceramic substrate are tuned for maximum efficiency, making this a smart option whether you’re comparing catalytic converter price points, weighing catalytic converter replacement cost, or planning the cost to change catalytic converter on your vehicle.
- 3-Way, premium-grade design with an oval ceramic core substrate for maximum efficiency
- 2.50 in. inlet and 2.50 in. outlet with slip-fit, weld-on connections
- Stainless steel outer shell construction for maximum durability
- Heat shield included for added protection
- Engineered to keep the MIL light off and deliver excellent flow
- Manufactured in the USA to meet Federal EPA emissions requirements
- Fits applications up to a 5.9L maximum engine size and 6,515 lb gross vehicle weight
Fitment & Installation
This is a universal-fit converter rated for a maximum engine size of 5.9L and a maximum gross vehicle weight of 6,515 lbs. Because it is a universal unit, installation requires welding and/or fabrication and should be performed by a qualified technician. Refer to the Flowmaster application guide for specific part number and vehicle applications to confirm the correct fitment for your setup.
Compliance Note
This Flowmaster Federal converter is a 49-state, Emission Code 2 unit and is NOT CARB compliant — it is not legal for sale or use on vehicles licensed or operated in the state of California. This product carries a California Proposition 65 warning. Please verify your local emissions requirements before purchasing.









