Catalytic Converter for Hyundai Elantra (2011-2012) 2.0L Front

Direct-Fit Front Exhaust Manifold Catalytic Converter for 2011-2012 Hyundai Elantra (FD)

What it Does: The front exhaust manifold catalytic converter replaces the cracked or degraded OEM manifold assembly on the 2011-2012 Hyundai Elantra to restore exhaust gas flow, clear catalytic efficiency fault codes, and ensure reliable emissions control.

The Stock Hyundai Elantra Manifold Weakness

Factory integrated exhaust manifold converters on the Beta II (G4GC) engine are subject to severe thermal cycling and localized heat soak. Over repeated thermal expansion cycles, the OEM cast metal frequently develops stress fractures along the runner merges and flange seams. Concurrently, high-mileage exhaust gas temperatures cause internal ceramic substrate breakdown, leading to excessive backpressure, sluggish low-end torque, unmetered oxygen sensor readings, and persistent P0420 diagnostic trouble codes.

The Engineering Solution

This direct replacement exhaust manifold catalytic converter is engineered with high-grade, heat-resistant steel and reinforced collector joints to resist thermal fatigue cracking. Optimized internal washcoat loading provides rapid light-off temperatures to efficiently convert harmful hydrocarbons, carbon monoxide, and NOx into inert emissions. Precision-machined cylinder head flanges guarantee an exact, leak-free seal matching OEM part numbers 6588972, 8H55-48, and 8H5548 without requiring modification.

What's Included

• 1 Front Exhaust Manifold Catalytic Converter
• Installation Gasket
• Mounting Bolts

Technical Specifications

Compatibility

• 2011 Hyundai Elantra Touring 2.0L L4 Gas (FD)
• 2012 Hyundai Elantra Touring 2.0L L4 Gas (FD)

Frequently Asked Questions & Fitment Warnings

Does this fit the FD Elantra?

Yes, this is a direct fit for the 2011-2012 Hyundai Elantra equipped with the Beta II (G4GC) 2.0L engine. Not legal for sale or use in California or New York emissions applications, and does not fit 1.8L Nu engine models.

Is this unit compliant with emissions regulations in all states?

This catalytic converter meets federal EPA standards but is not CARB-approved, meaning it cannot be legally installed on vehicles registered in California or New York.

The Hyundai Commuter Standard

Engineered for dependable everyday reliability, this unit restores smooth engine breathing, stable fuel trims, and factory emissions compliance without premature catalyst failure.