Steve_DIYer_342
Really solid construction, feels like a premium part. Definitely a steal for the price. I'm very impressed with the overall quality and how much I saved.
2025-11-12
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Choose Year, Make, and Model to check exact fitment.
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Fitment has not been checked for a vehicle.
Steve_DIYer_342
Really solid construction, feels like a premium part. Definitely a steal for the price. I'm very impressed with the overall quality and how much I saved.
2025-11-12
Jason_Trucks_205
The old converter was failing and causing all sorts of performance issues. This replacement fixed everything immediately. The car runs so much better, it's night and day. Highly recommend this part.
2026-03-05
Fast Free Shipping
45-Day Free Returns
3-Year Warranty
24/7 Customer Service
Check if this fits your vehicle
| Year | Make | Model | Trim | Engine |
|---|---|---|---|---|
| 2006 | Nissan | Altima | Base | 2.5L L4 |
| 2004 | Nissan | Altima | Base | 2.5L L4 |
| 2004 - 2006 | Nissan | Altima | S | 2.5L L4 |
| 2004 - 2006 | Nissan | Altima | SL | 2.5L L4 |







4.9/5
Based on 17 reviews
Steve_DIYer_342
Really solid construction, feels like a premium part. Definitely a steal for the price. I'm very impressed with the overall quality and how much I saved.
2025-11-12
Jason_Trucks_205
The old converter was failing and causing all sorts of performance issues. This replacement fixed everything immediately. The car runs so much better, it's night and day. Highly recommend this part.
2026-03-05
Fitment depends on your vehicle's specific engine and year. To be 100% sure, please enter your vehicle's Brand, Year, and Model into the "Fitment Checker" at the top of the page. If it shows a "Match," this part is engineered specifically for your vehicle.
Yes, this unit is fully EPA-compliant and meets federal emissions standards. You can verify the EPA certification stamps and specific engineering standards by looking through the "Technical Specs" section below.
Installation difficulty depends on your vehicle's exhaust layout. Most of our units are "Direct-Fit," but some may require more effort than others. Please check the "Installation Guide" or product photos on this page to see the specific bolt patterns and connection points for this model.
Loading vehicle options...
Choose Year, Make, and Model to check exact fitment.
Check if this fits your vehicle
Select a vehicle to check this product.
Check if this fits your vehicle
Fitment has not been checked for a vehicle.
Steve_DIYer_342
Really solid construction, feels like a premium part. Definitely a steal for the price. I'm very impressed with the overall quality and how much I saved.
2025-11-12
Jason_Trucks_205
The old converter was failing and causing all sorts of performance issues. This replacement fixed everything immediately. The car runs so much better, it's night and day. Highly recommend this part.
2026-03-05
Fast Free Shipping
45-Day Free Returns
3-Year Warranty
24/7 Customer Service
Check if this fits your vehicle
| Year | Make | Model | Trim | Engine |
|---|---|---|---|---|
| 2006 | Nissan | Altima | Base | 2.5L L4 |
| 2004 | Nissan | Altima | Base | 2.5L L4 |
| 2004 - 2006 | Nissan | Altima | S | 2.5L L4 |
| 2004 - 2006 | Nissan | Altima | SL | 2.5L L4 |







4.9/5
Based on 17 reviews
Steve_DIYer_342
Really solid construction, feels like a premium part. Definitely a steal for the price. I'm very impressed with the overall quality and how much I saved.
2025-11-12
Jason_Trucks_205
The old converter was failing and causing all sorts of performance issues. This replacement fixed everything immediately. The car runs so much better, it's night and day. Highly recommend this part.
2026-03-05
Fitment depends on your vehicle's specific engine and year. To be 100% sure, please enter your vehicle's Brand, Year, and Model into the "Fitment Checker" at the top of the page. If it shows a "Match," this part is engineered specifically for your vehicle.
Yes, this unit is fully EPA-compliant and meets federal emissions standards. You can verify the EPA certification stamps and specific engineering standards by looking through the "Technical Specs" section below.
Installation difficulty depends on your vehicle's exhaust layout. Most of our units are "Direct-Fit," but some may require more effort than others. Please check the "Installation Guide" or product photos on this page to see the specific bolt patterns and connection points for this model.