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MagnaFlow 16-21 Nissan Maxima 3.5L Direct Fit Converter (California Grade)

Magnaflow · New

MagnaFlow 16-21 Nissan Maxima 3.5L Direct Fit Converter (California Grade)

MPN 6511129 · Store SKU mag6511129

$1,097.00
CHECK AVAILABILITY0 in supplier warehouses. Ask JuiceBuilt about availability.

Supplier stock checked 11/7/2026, 6:00:02 AM UTC. Adding a part does not reserve it.

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Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.

Product details

Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 6511129. 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. MagnaFlow's state-of-the-art metrology department uses the latest 3D scanning systems during research and development, so you can be confident that your new part will fit and function like the original equipment. 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 2016-2021 Nissan Maxima 3.5L. MagnaFlow 6511129 includes (1) Flange Gaskets, (5) Bolts, (7) Nuts. 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. Magnaflow California Direct-Fit Catalytic Converter California CARB Direct-Fit Catalytic Converter

Manufacturer fitment & guides

Check 6511129 against the manufacturer’s application information below.

Part-specific notes

  • Not CARB approved. Destination and intended-use restrictions must be checked before sale.
  • Emissions acknowledgement required before purchase.
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