NISSAN MT1-JVTHD137 Exhaust Headers MOTOR-1 3/1 4.0L V6

( Manufacturer Part Number: MT1-JVTHD137 ), ( Oe/oem Part Number: 05 06 07 08 09 10 11 12 ), ( California Prop 65 Warning: This Product Contains Chemicals Known To The State. ), ( Color: Metallic ), ( Material: T-304 Stainless Steel Exhaust ), ( Placement On Vehicle: Front ), ( Inlet Size: In ), ( Thickness: 3/8 Thick Flanges ), ( Style: 3-1 Shorty ), ( Finish: Polished ), ( Fitment Type: Performance/custom ), ( Type: Eshaust Header ), ( Universal Fitment: No ), ( Mounting Style: Clamp-on ), ( Restricted States: California, Colorado, New York, Maine ), ( Items Included: Exhaust Header Mounting Hardware )

Review NISSAN Motor-1 2pcs 3-1 Exhaust Headers 4.0l V6 fits FRONTIER PATHFINDER XTERRA 2005–2015

Introducing the Motor-1 MT1-JVTHD137 3-1 Exhaust Headers, a high-performance upgrade for your 2005-2015 Nissan Frontier, Pathfinder, or Xterra with a 4.0L V6 engine. These headers are designed to replace the stock exhaust manifolds, providing a significant improvement in power and exhaust flow.

The Motor-1 MT1-JVTHD137 headers are fabricated from premium T304 stainless steel, ensuring durability and resistance to corrosion. Each header is meticulously crafted with a 3-1 design, which merges the three exhaust ports into one collector. This design reduces backpressure, enhancing engine breathing and providing a more efficient exhaust flow.

These headers feature a 1 5/8-inch primary pipe diameter, which is larger than the stock size. This increase in pipe diameter reduces exhaust restriction, allowing gases to exit the engine more efficiently. Furthermore, the headers feature a 3-inch collectors diameter, which is larger than the stock size, ensuring a smoother and more efficient exhaust flow.

The Motor-1 MT1-JVTHD137 headers come with gaskets, bolts, and necessary hardware for a straightforward installation process. The headers are designed to fit seamlessly with the factory exhaust system, allowing for easy integration. However, it is important to note that some modifications to the catalytic converter and oxygen sensors may be required for proper operation.

Upgrading to the Motor-1 MT1-JVTHD137 3-1 Exhaust Headers offers numerous benefits. You can expect improved engine performance, enhanced exhaust flow, and a more efficient exhaust system. Additionally, the premium T304 stainless steel construction ensures durability and resistance to corrosion, providing peace of mind for the long-term.

In conclusion, the Motor-1 MT1-JVTHD137 3-1 Exhaust Headers are a must-have upgrade for any 2005-2015 Nissan Frontier, Pathfinder, or Xterra with a 4.0L V6 engine seeking improved power and exhaust flow. With their durable construction, efficient design, and straightforward installation process, these headers are an excellent investment for any enthusiast looking to maximize their vehicle's potential.

Pros and Cons of Buying Motor-1 MT1-JVTHD137 3-1 Exhaust Headers for 05-15 Nissan Frontier, Pathfinder, and Xterra 4.0L V6

- Pro: The 3-1 exhaust headers provide better flow and decrease backpressure, which results in improved engine performance.

- Pro: Enhanced power and torque delivery for a smoother and more responsive driving experience.

- Pro: The headers offer a more aggressive exhaust note, which some enthusiasts prefer for the increased engine noise.

- Pro: Motor-1 headers are made of high-quality stainless steel, ensuring durability and resistance to corrosion.

- Pro: The headers come with a gasket and stud kit, making the installation process relatively straightforward for most DIY enthusiasts.

- Con: Installing headers may trigger the check engine light due to O2 sensor compatibility issues. In some cases, users may need to purchase and install wider-band oxygen sensors.

- Con: The headers are a more expensive upgrade compared to other performance modifications.

- Con: Depending on the specific application, you may need to purchase exhaust manifold adapters to properly connect the headers to the engine.

- Con: Installation of headers may make it more difficult to access spark plugs, requiring the removal of additional components.

- Con: To fully realize the performance gains, some users may choose to remove the catalytic converter, which could result in increased emissions and potential legality issues.

The Motor-1 MT1-JVTHD137 3-1 exhaust headers offer several benefits, including improved performance, better sound, and durability. However, they also come with some drawbacks, such as potential check engine light issues, cost, and installation complexities. Ultimately, the decision to buy these headers depends on your personal goals, budget, and technical expertise. If you are looking for a significant performance boost and don't mind the potential challenges, these headers could be a worthwhile investment. On the other hand, if you're new to the world of performance upgrades or have a limited budget, you may want to explore other modifications first.

If you decide to purchase these headers, make sure to factor in the potential costs for O2 sensors, exhaust manifold adapters, and catalytic converter removal (if applicable). Additionally, consider your mechanical skills and the resources available to you for installation. If you're unsure about the installation process or the potential challenges, it may be a good idea to consult a professional mechanic.

part # mt1jvthd137 prices

• $195.00-$314.00

specifications maniheader:

• for models: Frontier, Pathfinder, Xterra
• for makes: Nissan
• for years: 2005-2015
• manufacturer part number: MT1-JVTHD137
• oe/oem part number: 05 06 07 08 09 10 11 12
• california prop 65 warning: This Product Contains Chemicals Known To The State.
• color: Metallic
• material: T-304 Stainless Steel Exhaust
• placement on vehicle: Front
• inlet size: In
• thickness: 3/8 Thick Flanges
• style: 3-1 Shorty
• finish: Polished
• fitment type: Performance/custom
• type: Eshaust Header
• universal fitment: No
• mounting style: Clamp-on
• restricted states: California, Colorado, New York, Maine
• items included: Exhaust Header Mounting Hardware

seller maniheader:

• # reviews: 59581
• rating: 98.4%

shipping maniheader:

• type: Fixed
• class: Standard
• transit: 2-6 Days
• service: Standard
• cost: $0.00

offer maniheader:

• sold: 0
• started: March 24, 2026
• availability: In Stock
• options: Ship-to-home
• quantity: 10

returns maniheader:

• time: 30 Days
• paid by: Seller
• policy: Returns Accepted

payments maniheader:

• credit card: Discover
• other
• wallet: Paypal

general maniheader:

• condition: New
• Car Truck Parts Accessories > Exhaust Emission Systems > Manifolds Headers

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