This California Grade direct-fit converter fits the 2016-2021 Nissan Maxima with the 3.5L V6 and is covered by CARB Executive Order D-193-191. The 12 in spun stainless body uses a ceramic substrate with flanged inlet and outlet and one pre-converter oxygen sensor port. A flange gasket, five bolts and seven nuts are included, and it bolts in with no cutting or welding.
Specifications
| Type | Direct-Fit Catalytic Converter |
| Grade | California Grade |
| Material | Stainless steel |
| Body | Spun |
| Substrate | Ceramic |
| Inlet / Outlet | Flange / flange |
| Overall Length | 12 in |
| O2 Sensor Ports | 1 (pre converter) |
| What's in the Box |
|
| Install | Bolt-in direct fit; no cutting or welding required |
| Fitment Notes | 3.5L V6 only. Installation is permitted only when the vehicle's Engine Family Number appears in CARB Executive Order D-193-191 |
| Emissions | Covered by CARB Executive Order D-193-191 for the 2016-2021 models listed below; legal for sale in all 50 states including California, Colorado, New York and Maine |
| Finish | Stainless |
| Body Type | Spun |
| Inlet Type | Flange |
| Clamps Included | No |
| Hangers Included | No |
| Legality | Legal for sale in all 50 states including California, Colorado, New York and Maine. Installation is permitted only if the vehicle's Executive Order number and Engine Family Number appear in this converter's CARB Executive Order. |
| Quantity | 1 |
| Warranty | Limited 5 year / 50,000 mile construction and emissions |
| Part Number | 6511129 |
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2021 | Nissan | Maxima | 40th Anniversary Edition |
| 2016-2021 | Nissan | Maxima | Platinum |
| 2020 | Nissan | Maxima | Platinum Reserve |
| 2016-2020 | Nissan | Maxima | S |
| 2016-2020 | Nissan | Maxima | SL |
| 2016-2021 | Nissan | Maxima | SR |
| 2016-2021 | Nissan | Maxima | SV |
Is this converter legal in California?
- Yes. It is covered by CARB Executive Order D-193-191. Installation is permitted only when your vehicle's Engine Family Number appears in that Executive Order, so check the emissions label under the hood against the listed vehicles.
Does it require cutting or welding?
- No. It is a direct-fit, bolt-in replacement built to OE geometry.
What warranty does it carry?
- Limited 5 year / 50,000 mile construction and emissions.
Shipping
- Orders placed before 3 PM EST typically ship the same business day. Larger items ship within 1 to 3 business days.
- Standard, expedited, and overnight options at checkout.
- Oversized items ship by freight and take longer.
- Special order items follow a lead time we confirm with you individually before the order is committed.
- Backordered items ship as soon as stock lands. Lead times are manufacturer estimates and can change. Contact us for current ETAs.
- Need to cancel? Email us right away. Cancellations are not guaranteed once an order is in process. In-stock orders cancel free before they ship; a 6% fee applies only to confirmed backorders and special orders.
- 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 days from delivery to request and ship back a return on new, uninstalled items in original packaging with all hardware.
- Standard returns: 8% restocking fee on the item price before tax and shipping. Shipping is not refunded in either direction. All waived if the item is defective or we made the error.
- Fitment guaranteed: select your vehicle above, or confirm fitment with us in writing before you order. If the part shows as a fit and it is wrong, the return is on us, even after installation. Otherwise, installed or used parts cannot be returned.
- Final sale: special orders, coilovers, electronics, engine internals, turbochargers, superchargers and turbo kits, unless defective or we sent the wrong item.
- Product images may be representative. The SKU and specifications in the listing are what ships.
- Email us for return authorization before shipping anything back.
Full details: Shipping Policy · Returns & Refunds · Warranty
You may also like
Recently viewed






