Catalytic Converter for Hyundai Elantra (2011-2016) 1.8L

Direct-Fit Stainless Catalytic Converter for 2011-2016 Hyundai Elantra

Direct Replacement Emissions Assembly: Restores exhaust scavenging velocity, resolves P0420 catalytic efficiency trouble codes, and maintains factory emissions compliance on 1.8L Nu-equipped Elantra models.

The Stock Elantra Substrate Degradation & Flow Restriction

Over extended service life, the factory exhaust converter on the MD/UD Elantra platform is prone to thermal sintering, washcoat breakdown, and carbon clogging within the ceramic monolith. This degradation restricts downstream exhaust gas evacuation, inducing excessive backpressure that saps fuel economy and engine efficiency while illuminating diagnostic trouble codes. Additionally, road-salt exposure severely corrodes the OEM steel flanges, creating audible exhaust leaks and skewed oxygen sensor feedback.

The Engineering Solution

Constructed with a durable 409 stainless steel outer casing and a high-efficiency ceramic substrate, this direct-fit rear converter optimizes surface-area contact for reliable hydrocarbon and NOx reduction. Precision mandrel-bent tubing and CNC-machined bolt-on flanges ensure exact alignment with the OEM exhaust routing, eliminating the need for cutting or custom fabrication. Supplied hardware and replacement gaskets guarantee a sealed, leak-free exhaust connection with stock downstream backpressure profiles.

Technical Specifications

Compatibility

• 2011 Hyundai Elantra (1.8L L4 - Sedan)
• 2012 Hyundai Elantra (1.8L L4 - Sedan)
• 2013 Hyundai Elantra (1.8L L4 - Sedan, Coupe)
• 2014 Hyundai Elantra (1.8L L4 - Sedan)
• 2015 Hyundai Elantra (1.8L L4 - Sedan)
• 2016 Hyundai Elantra (1.8L L4 - Sedan)

The Hyundai Commuter Reliability Standard

Engineered to endure daily commuter thermal cycling, this bolt-on catalytic converter eliminates flow restrictions, restores factory tailpipe emissions integrity, and maintains clear, CEL-free operation under all driving conditions.