# MagnaFlow 551144 Direct Fit California Catalytic Converter (2.25" ID/2.25" OD) for 2007-2015 Infiniti Ex35 and More ### Performance Overview Magnaflow's California Catalytic Converter is designed to be CARB compliant. The catalytic converter's ribbed body is designed to minimize distortion and expansion of the body to hold the ceramic catalyst in place. magnaflow's Catalytic Converters are made of stainless steel and are backed by their limited lifetime warranty. ### Key Features - Brand: MagnaFlow - Part number: 551144 - Product type: Direct Fit California Catalytic Converter (2.25" ID/2.25" OD) - Designed for compatible vehicle applications listed on this page ### Vehicle Fitment - 2010 Infiniti Ex35, Note: Base, Journey; 3.5L; 2.25"; 2.25" - 2013 Infiniti Ex37, Note: Base, Journey; 3.7L; 2.25"; 2.25" - 2007 Infiniti G35, Note: Base, Journey, Sport, X; 3.5L; 2.25"; 2.25" - 2008 Infiniti G35, Note: Base, Journey, Sport, X; 3.5L; 2.25"; 2.25" - 2008 Infiniti G37, Note: Base, Journey, Sport; 3.7L; 2.25"; 2.25" - 2009 Infiniti G37, Note: Base, Journey, Sport, X; 3.7L; 2.25"; 2.25" - 2010 Infiniti G37, Note: Base, Journey, Sport, X; 3.7L; 2.25"; 2.25" - 2011 Infiniti G37, Note: Base, Ipl, Journey, Sport, X; 3.7L; 2.25"; 2.25" ### FAQ **Will this fit my vehicle?** Please verify your year, make, model, position, and any fitment notes using the compatibility list above before purchase. **What part number is this?** The listed part number is 551144. **Is this product designed for direct replacement?** Yes. This product is intended to match compatible vehicle applications listed in the fitment section. **Should I confirm fitment before ordering?** Yes. Always compare your original part, position, and vehicle details with the fitment chart before ordering. ### Common Searches - Direct Fit California Catalytic Converter (2.25" ID/2.25" OD) for Infiniti Ex35 - 551144 fitment - MagnaFlow Direct Fit California Catalytic Converter (2.25" ID/2.25" OD) - 2007 Infiniti Ex35 Direct Fit California Catalytic Converter (2.25" ID/2.25" OD) ### Vehicle Fitment Table Year Make Model Position Fitment Precision Note 2010 Infiniti Ex35 Base, Journey; 3.5L; 2.25"; 2.25" 2013 Infiniti Ex37 Base, Journey; 3.7L; 2.25"; 2.25" 2007 Infiniti G35 Base, Journey, Sport, X; 3.5L; 2.25"; 2.25" 2008 Infiniti G35 Base, Journey, Sport, X; 3.5L; 2.25"; 2.25" 2008 Infiniti G37 Base, Journey, Sport; 3.7L; 2.25"; 2.25" 2009 Infiniti G37 Base, Journey, Sport, X; 3.7L; 2.25"; 2.25" 2010 Infiniti G37 Base, Journey, Sport, X; 3.7L; 2.25"; 2.25" 2011 Infiniti G37 Base, Ipl, Journey, Sport, X; 3.7L; 2.25"; 2.25" 2012 Infiniti G37 Base, Ipl, Journey, Sport, X; 3.7L; 2.25"; 2.25" 2013 Infiniti G37 Base, Ipl, Journey, Sport, X; 3.7L; 2.25"; 2.25" 2011 Infiniti M37 Base, X; 3.7L; 2.25"; 2.25" 2012 Infiniti M37 Base, X; 3.7L; 2.25"; 2.25" 2013 Infiniti M37 Base, X; 3.7L; 2.25"; 2.25" 2007 Nissan 350Z Base, Enthusiast, Grand Touring, Nismo, Touring; 3.5L; 2.25"; 2.25" 2008 Nissan 350Z Base, Enthusiast, Grand Touring, Nismo, Touring; 3.5L; 2.25"; 2.25" 2009 Nissan 350Z Enthusiast, Grand Touring, Touring; 3.5L; 2.25"; 2.25" 2009 Nissan 370Z Base, Nismo, Touring; 3.7L; 2.25"; 2.25" 2010 Nissan 370Z 40Th Anniversary Edition, Base, Nismo, Touring; 3.7L; 2.25"; 2.25" 2011 Nissan 370Z Base, Nismo, Touring; 3.7L; 2.25"; 2.25" 2012 Nissan 370Z Base, Nismo, Touring; 3.7L; 2.25"; 2.25" 2013 Nissan 370Z Base, Nismo, Touring; 3.7L; 2.25"; 2.25" 2014 Nissan 370Z Base, Nismo, Touring; 3.7L; 2.25"; 2.25" 2015 Nissan 370Z Base, Nismo, Nismo Tech, Sport, Sport Tech, Touring, Touring Sport; 3.7L; 2.25"; 2.25" ## Details - **Price:** 2480.95 CAD - **Vendor:** MagnaFlow - **Type:** Direct Fit California Catalytic Converter (2.25" ID/2.25" OD) - **Tags:** 2007 Infiniti G35, 2007 Nissan 350Z, 2008 Infiniti G35, 2008 Infiniti G37, 2008 Nissan 350Z, 2009 Infiniti G37, 2009 Nissan 350Z, 2009 Nissan 370Z, 2010 Infiniti Ex35, 2010 Infiniti G37, 2010 Nissan 370Z, 2011 Infiniti G37, 2011 Infiniti M37, 2011 Nissan 370Z, 2012 Infiniti G37, 2012 Infiniti M37, 2012 Nissan 370Z, 2013 Infiniti Ex37, 2013 Infiniti G37, 2013 Infiniti M37, 2013 Nissan 370Z, 2014 Nissan 370Z, 2015 Nissan 370Z, 551144, Auto Parts, Automotive, Catalytic Converter, Direct Fit California Catalytic Converter (2.25" ID/2.25" OD), Direct Replacement, Exhaust Performance, Exhaust System, MagnaFlow, Magnaflow-551144, Muffler, Performance Exhaust, Performance Parts, Vehicle Fitment ## Variants | Variant | Price | Available | |---------|-------|-----------| | Default Title | 2480.95 CAD | In stock | ## Images - MagnaFlow 551144 Direct Fit California Catalytic Converter (2.25" ID/2.25" OD) --- > Source: [Standard Auto Part](https://www.standardautopart.com/products/magnaflow-infiniti-ex35-catalytic-converter-carb-551144) > Updated: 2026-07-16