4 Inch Inlet Outlet Universal Catalytic Converter

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About this item

• EPA Compliant: Designed for use on OBDII vehicles. Not legal for sale or use in California and Colorado. Legal in New York and Maine on EPA Federal Emission Equipped Vehicles only. Consult your states aftermarket converter regulations for details.
• Flexible Solution: Customizable design features expandable bushings for easy fitment and may require specialized fabrication or and/or welding for installation.
• Strong & Durable: Stainless steel body & aluminized body & pipe, features thick OE-style flanges, hangers & brackets for strength and durability.
• Keeps Check Engine Light Off: OE-style high-technology washcoat and optimal precious metal load delivers required reduction in tailpipe emissions to match vehicle application.
• Buy With Confidence: Backed by Nilights 25,000-mile/40,000-kilometer emissions & 5-year 50,000-mile/80,000-kilometer structural integrity warranty.

Universal Direct Fit Three-way Catalytic Converter

How Do Three-way Catalytic Converters Work?

A three-way catalytic converter has three simultaneous tasks:

Nilight’s Direct Fit Converters are engineered to meet your vehicles specific emissions requirements and most Come With the Replacement Gaskets at NO Additional Cost!

• It is best to confirm the size of your vehicle’s catalytic converter before purchasing

EPA COMPLIANT

Fitment:

All 4 inch Inlet Outlet Vehicles, for example

1994-2007 Dodge Ram 2500/3500

1999-2007 Ford F-250/F-350 Super Dutyand so on….

• Not legal for sale or use in California and Colorado
• Consult your states aftermarket converter regulations for details

Catalytic Converters are designed to last the life of your vehicle. It is important to fix the source of the problem before replacing your OEM converter. There are three major reasons a converter fails.

OVERHEATED / MELTED

Often caused by unburned fuel entering the converter from a faulty:

• Spark Plug
• Exhaust Valve
• Oxygen Sensor
• Fuel Injector

CATALYST POISONING

Often caused by exposure to emissions substances from:

• Leaky Cylinder Head Gasket
• Silicone-Based Sealant
• Improper Fuel (E85, Diesel)
• Worn Piston Ring / Valve Seal

STRUCTURAL DAMAGE

Often caused by road debris, corrosion or other conditions such as:

• Air Gap Pipe Failure
• Flex Pipe Failure
• Stripped O2 Sensor Threads
• Broken Hangers

Material Selection and Manufacturing Process

Sturdy and Durable

All T409 stainless steel raw materials are rigorously tested to work at high temperatures as well as to effectively prevent rusting.

High Flow Cat

Fully filling the honeycomb and covering more metal Pt/Pd/Rh per unit area can effectively improve the conversion rate.

Direct-Fit

Fully automated manufacturing, machine cutting, machine bending, machine welding etc. effectively reducing human error, ensuring compatibility and quality at the same time.

Breathe Freely and Healthily

Engineered to meet your vehicles specific emissions requirements, never worry about P0420 or P0430 code and keep check engine light off.