Legal Note: ​​​​​​​Not For Sale or Use in California, Colorado, New York, or Maine. (for all vehicles registered in these states)

Fitment 

For Infiniti FX35 3.5L RWD 2003-2008 
For Infiniti G35 3.5L RWD 2003-2007
For Infiniti M35 3.5L RWD 2006-2008
For Nissan 350Z 3.5L 2003-2007

Reference OE/Part number

16198, 16197, 43214, 43215

Specification

Condition: New

Certifications: EPA

Placement on Vehicle: Front Left and Right

Fitment Type: Direct Replacement

Material: Stainless Steel

Substrate Material: Ceramic

O2 Sensor Ports: Yes

Inlet type: Single (3-bolt welded flange) Inlet

Outlet type:  Single (2-bolt welded flange) Outlet

Restricted States: California, New York，Maine, Colorado

Feature

1.Sturdy Build: Premium stainless steel for heat/rust/corrosion resistance.

2.Optimized Performance: Engineered internals boost efficiency, prevent MIL codes.

3.Optimized Design: Honeycomb structure maximizes gas contact without slowing exhaust.

4.Top - Notch Emissions: High - performance exhaust conversion.

5.Easy Install: Hassle - free, no mods—get back on the road fast.

6.Rugged & Reliable: Survives extreme tests for long - term durability.

Note

1.Emissions Compliance: Meets EPA (Federal) standards only. Not CARB compliant – not for vehicles registered in CA, NY, ME, CO.Please confirm your local emission regulations before purchase.

2.Check Emissions Type: Verify your vehicle’s requirements (Federal/CARB) with your dealer using VIN#. Emissions info is usually under the hood; provide VIN if missing.

3.Installation: No instructions included. Professional installation recommended (may require welding/fabrication). Use high-temp sealant (not included) for flanges to prevent leaks.

4.Fitment: Even if compatible, double-check fitment details/photos before ordering.

5.Heat Shield: May not fit original shield perfectly, but works without it.

6.Fuel: Avoid leaded gasoline to protect catalyst performance.

7.Service: Pickup unavailable – all orders shipped.