MagnaFlow California Grade Rear Catalytic Converter - Nissan Maxima 3.5L 2005-2006 - 557710

MagnaFlow's California Grade converter replaces the rear underbody Y pipe and converter on the 3.5L V6, collecting both banks with a flex section to absorb engine movement. The body runs 40.5 in overall with an attached aluminized steel heat shield over a ceramic substrate, built from 16 gauge 409 stainless steel tubing with 308 stainless steel MIG welds, and carries flange inlet and outlet connections with one pre converter oxygen sensor port. OE sized barbed 410 stainless steel hangers, two crush ring gaskets, and a flange gasket are included. CARB Executive Order D-193-200 makes it legal for installation in all 50 states.

Specifications

This part fits:

Shipping

• In-stock orders placed before 3 PM EST ship the same day — everything else ships within 24 hours.
• Standard, expedited, and overnight options at checkout.
• Oversized items ship by freight and take longer.
• Backordered items ship as soon as stock lands — contact us for lead times.
• International orders: prices do not include VAT, duties, or import fees. Your country charges these at import and they are the buyer’s responsibility.

Returns

• 30-day returns on new, uninstalled items in original packaging with all hardware.
• Standard returns: 8% restocking fee, buyer pays return shipping. Both waived if the item is defective or we made the error.
• Installed or used parts can’t be returned — confirm fitment before you install.
• Special orders and custom items are final sale.
• Email us for return authorization before shipping anything back.

Full details: Shipping Policy · Refund Policy