Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 5551148. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this converter yourself using the proper tools, no cutting or welding required. By replicating the OE design, the single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. This Direct-Fit Catalytic Converter is designed to fit the 2009-2011 Dodge Nitro 3.7L & 2009-2012 Jeep Liberty 3.7L. MagnaFlow 5551148 includes (1) Torca Clamp and interchanges with OE parts 5212 5351AD, 5212 5351AE, 6805 2257AA, 6805 2257AB, 6810 5776AA. This replacement part is designed to meet or exceed California Air Resource Board requirements, and has undergone additional testing to comply with CARB guidelines to allow for legal use in California and CARB restricted states, for the listed vehicles.
Features
- Mandrel bent tubing retains OEM-like design and geometry, ensuring smooth exhaust flow for peak fuel economy and engine operation
- OE-sized barbed exhaust hangers made from corrosion-resistant 410 stainless steel, designed to reduce noise and vibration
- Torca AccuSeal® Exhaust Clamps Provide A Full 360-Degree Equally Distributed Clamping Force Preventing Pipe Distortion
- Mandrel Bent Tubing Retains OEM-Like Design And Geometry; Ensuring Smooth Exhaust Flow For Peak Fuel Economy Operation
- OE-Sized Barbed Exhaust Hangers Made From Corrosion-Resistant 410 Stainless Steel; Designed To Reduce Noise/Vibration
- High Strength 16 Gauge 409 Stainless Steel Tubing For Exceptional Corrosion Resistance And Maximum Service Life
- Expertly Crafted To Replicate OEM Like Flow Dynamics; Maintaining Factory Performance And Fuel Efficiency
- Expertly crafted to replicate OEM-like flow dynamics, maintaining factory performance and fuel efficiency
- Precision Stamped Collector Design For Optimal Exhaust Flow; Engine Efficiency And Fuel Economy
- Simplifies installation with essential gaskets and hardware being included in the box
- Simplifies Installation w/Essential Gaskets And Hardware Being Included In The Box
- Durable 308 stainless steel MIG welds
Listed for 1 vehicle: the fitment table on this page shows each year, make and model it fits.
MagnaFlow 09-12 Jeep Liberty 3.7L Direct Fit Converter
- Canadian company, prices in CAD
- Shipping and duties shown before you pay, no surprises at the door
- Special order, final sale, see policy
Vehicle fitment
Estimated fitment — verify before purchase| Years | Make | Model |
|---|---|---|
| 2009–2012 | Jeep | Liberty |
- Engine: 3.7L
Specifications
Manufacturer data for this part — all visible, no tabs to dig through.
| Brand | Magnaflow |
| Part number | MAG5551148 |
| Category | Exhaust & Performance |
Customer reviews

Worth adding
Useful in any truck — ships separately in its own box.
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