Note: This article contains affiliate links. If you click on these links and make a purchase, I may earn a small commission at no extra cost to you. This helps support my research and content. Read my full affiliate disclosure here.
If your Nissan Murano is showing signs of reduced performance or louder exhaust noise, choosing the right exhaust manifold is an important step toward fixing the problem. The right manifold affects engine breathing, exhaust temperatures, and how well seals hold up over time, so picking an option that fits correctly and handles under-hood heat matters. This guide highlights seven shortlisted exhaust manifolds chosen for the Nissan Murano that balance fitment, durability, and thermal performance. Below we explain the criteria used to evaluate these top picks and what to look for when deciding on a replacement.
Looking for other parts? See all Nissan Murano parts & accessories.
Top Picks at a Glance
| Best Overall The best all-around choice for most situations | A-Premium V6 3.5L Right Exhaust Manifold Kit with Gaskets and Hardware |  |
| Best quality Built to a higher standard if you want something more solid | Dorman 674-331 Exhaust Manifold with Gaskets and Hardware |  |
| Best Value The sweet spot between price and what you get | A-Premium Front Exhaust Manifold Kit with Gaskets, Studs, Nuts and Heat Shield for Nissan/Infiniti 3.5L V6 |  |
| Best Budget The cheapest option that still gets the job done reliably | A-Premium V6 3.5L Exhaust Manifold Kit with Gaskets and Hardware (Rear Side) |  |
| Highest Rated A top-rated pick with lots of positive feedback | Dorman Exhaust Manifold Kit 674-332 with Gaskets and Hardware |  |
| Most Popular A crowd favorite that many people choose with confidence | A-Premium Left Exhaust Manifold Kit with Gaskets and Hardware for Nissan/Infiniti 3.5L V6 |  |
| Best Seller A high-volume bestseller chosen again and again | A-Premium Left Exhaust Manifold Kit with Gaskets and Hardware for Nissan/Infiniti 3.5L V6 | |
1. A-Premium V6 3.5L Right Exhaust Manifold Kit with Gaskets and Hardware
| Brand | A-Premium |
|---|---|
| Material Type | Metal |
| Part Number | APEMD031AM |
This A-Premium right-side exhaust manifold kit replaces the factory manifold on 3.5L V6 Nissan and Infiniti engines and ships with the primary gaskets and basic mounting hardware needed for installation. It is intended as a direct-fit replacement for affected Murano, Maxima, Altima, Pathfinder and QX60 model years listed, so it is typically used when a cracked or leaking manifold or failed gasket is causing exhaust noise, reduced efficiency, or a check engine light. The kit’s metal construction and included flange and manifold gaskets help restore a proper seal and reduce exhaust leak noise; the included studs, nuts and bolts simplify reassembly when old fasteners are corroded. Practical benefits include restoring normal exhaust flow and engine operation without having to source multiple parts separately. Limitations are that the kit covers only the right bank manifold and supplies a minimal set of fasteners, so a professional inspection is advisable to confirm gasket surfaces and to replace any additional hardware or heat shielding that may be damaged.
Best for: Balanced all-round owners who want a straightforward, factory-replacement style manifold to restore normal exhaust sealing and operation on a Murano V6 without overpaying for specialty performance parts.
Less Ideal for: Drivers seeking high-performance headers or full exhaust upgrades or those who need a left-side manifold or a complete dual-bank replacement in one purchase.
- Includes manifold, manifold gasket, flange gasket and basic studs, bolts, and nuts so you get a near-complete install kit
- Metal construction intended to withstand exhaust temperatures and provide a durable replacement
- Sold as a direct-fit replacement for specified 3.5L V6 Nissan and Infiniti models which reduces fitment guesswork
- Kit supplies a limited set of fasteners and may not include every hardware piece needed for vehicles with heavy corrosion
- Right-side only; buyers needing both banks must purchase a separate manifold
Verdict: A convenient, ready-to-install right-side replacement manifold kit that restores exhaust sealing for 3.5L V6 Murano engines.
2. Dorman 674-331 Exhaust Manifold with Gaskets and Hardware
| Brand | Dorman |
|---|---|
| Model | Dorman 674331 Exhaust Manifold |
| Manufacturer Part Number | 674-331 |
| OEM Part Number | 101554; 14002-JA10A |
This Dorman exhaust manifold replaces the factory unit on specified Nissan and Infiniti applications and ships with the gaskets and downpipe hardware needed for installation. It is typically used when the original manifold is cracked, warped, or leaking; the included hardware lets a technician or experienced DIYer complete the job in one visit. Dorman describes the part as reverse-engineered to the factory shape and tested to meet emissions and durability targets, which should make fitment straightforward and restore exhaust sealing and flow. The kit approach saves the hassle of sourcing separate gaskets and studs, and the machined exterior suggests attention to mating surfaces. Limitations to consider are mixed user reports about weld finish and occasional missing fasteners, so inspect the part on arrival and be prepared with a small hardware kit. This is a solid high-quality aftermarket option when you want a near-factory repair without buying a dealer part.
Best for: Performance-oriented owners who prioritize restoring factory exhaust flow and sealing with a complete replacement that minimizes return visits and extra parts searches.
Less Ideal for: Buyers seeking an exact dealer part or those unwilling to inspect and potentially replace minor hardware should consider alternatives.
- Includes all required gaskets and downpipe hardware for a one-order, ready-to-install repair.
- Engineered to mirror factory fit and function to simplify installation and sealing.
- Machined exterior and tested design aimed at durability and emissions compliance.
- Some units show rough internal welds and occasional missing hardware, so part inspection is recommended on receipt.
- Not specified as vehicle-specific beyond the listed fitment years so verify exact trim compatibility before installation.
Verdict: A complete, factory-fit focused aftermarket manifold that gets a Nissan Murano back to proper exhaust sealing and flow while avoiding separate gasket and hardware orders.
3. A-Premium Front Exhaust Manifold Kit with Gaskets, Studs, Nuts and Heat Shield for Nissan/Infiniti 3.5L V6
| Material | Cast Iron |
|---|---|
| Includes | Manifold, gasket, flange gaskets, studs, nuts, heat shield |
| Fitment | Front manifold for 3.5L V6 Nissan/Infiniti |
| Manufacturer Part Number | APEMD111 |
This A-Premium manifold kit replaces the front exhaust manifold on 3.5L V6 Nissan and Infiniti engines and is supplied as a full hardware kit to make installation straightforward. The unit is cast iron for durability and high temperature resistance and comes with a manifold gasket, two flange gaskets, three studs, four nuts and a heat shield so you do not need to source extra parts. It is intended as a direct replacement manufactured to match factory fitment, which simplifies bolt-up and reduces installation surprises. Practical benefits include improved sealing at the flange compared with a worn manifold, a ready-to-install hardware set, and a heat shield that helps protect surrounding components. Trade-offs are the heavier cast-iron construction compared with lighter aftermarket materials and the listing does not include vehicle-specific installation instructions or torque specs, so some mechanical experience or a shop visit may be required for correct installation.
Best for: A practical optimizer looking for a reliable, ready-to-install replacement that restores exhaust sealing and engine operation without paying premium prices.
Less Ideal for: If you want a lightweight performance header, a custom tune, or are building a high-output modified engine, this stock-style cast-iron manifold is not the best choice.
- Complete kit includes manifold, manifold gasket, two flange gaskets, studs, nuts and heat shield
- Cast iron construction offers strong heat resistance and long-term durability
- Sold as a direct replacement to match factory fitment for 3.5L V6 Nissan/Infiniti engines
- Cast-iron design is heavier than some aftermarket stainless or tubular options
- No detailed installation instructions or torque values included in the listing
Verdict: A complete, cast-iron direct-replacement manifold kit that restores factory-style exhaust sealing and saves the buyer time sourcing hardware.
4. A-Premium V6 3.5L Exhaust Manifold Kit with Gaskets and Hardware (Rear Side)
| Compatible engines | V6 3.5L |
|---|---|
| Material | Cast Iron |
| Fitment type | Direct Replacement |
| Includes | Manifold, manifold gasket, flange gasket, studs, nuts, bolts, washers, heat shield |
This A-Premium exhaust manifold kit replaces the rear-side manifold on 3.5L V6 Nissan/Infiniti engines and ships with the manifold, manifold gasket, flange gasket, studs, nuts, bolts, washers, and a heat shield. It is made of cast iron and intended as a direct replacement for vehicles like the Murano 2003–2007 and related Altima, Maxima, Quest, and I35 models. Typical installation is a bolt-on swap during exhaust or catalytic converter repairs where the factory manifold is cracked or leaking. The kit’s included gaskets and hardware simplify the fitment process and the cast-iron construction prioritizes durability and heat resistance for everyday driving. Practical benefits are straightforward: it restores exhaust sealing, reduces leaks and noise, and avoids sourcing separate parts. Limitations to consider are that fitment assumes vehicles with the same rear-side configuration and one review notes the manifold lacks an EGR port, so some specific engine variants or emissions setups may require an alternate part or modification.
Best for: Budget-conscious owners seeking a cost-effective, ready-to-install replacement manifold to repair exhaust leaks or complete a catalytic converter job on qualifying 3.5L V6 Nissan/Infiniti vehicles.
Less Ideal for: Owners who require exact factory emissions features or vehicles with different exhaust port configurations should consider a vehicle-specific factory-quality manifold or consult a mechanic before buying.
- Complete kit includes manifold, gaskets and mounting hardware for easier installation
- Cast iron construction offers durability and good heat resistance for exhaust service
- Heat shield included helps manage under-hood heat and protects adjacent components
- May not include an EGR port required on some engine/emissions configurations
Verdict: A complete, budget-focused cast-iron manifold kit that gets a 3.5L V6 Murano or related Nissan/Infiniti back on the road without sourcing extra parts.
5. Dorman Exhaust Manifold Kit 674-332 with Gaskets and Hardware
| Manufacturer | Dorman Products |
|---|---|
| Model | 674-332 |
| Exterior | Machined |
| OEM Part Number | 101565; 14002-JA10B |
This Dorman exhaust manifold kit is a direct-replacement unit engineered to match the fit and function of the factory manifold and comes with the gaskets and downpipe hardware needed for a one-step repair. It is typically used to replace a cracked, warped, or leaking manifold on affected Nissan and Infiniti engines, restoring proper exhaust routing and preventing exhaust leaks that can trigger check-engine lights or reduce performance. Notable features include machined exterior surfaces and complete hardware in the box, which saves multiple trips for missing pieces during installation. For a reliability-focused repair, the kit’s reverse-engineered design and inclusion of gaskets make it practical for professional shops or experienced DIYers who want a single-purchase fix. Limitations are that fitment must be confirmed for specific Murano years and trims before ordering and that this aftermarket manifold may differ slightly from factory cast finishes, so visual match is not guaranteed in restorations where appearance matters.
Best for: Reliability-focused buyers who prioritize a complete, practical repair solution and want to restore exhaust sealing and function with a single-purchase replacement.
Less Ideal for: Buyers seeking an exact visual match to original factory appearance or collectors prioritizing original cast finish should consider alternatives.
- Includes all necessary gaskets and downpipe hardware for a complete repair
- Precision-engineered to match factory fit and function for targeted vehicle applications
- Durable construction designed to resist warping and leaking under normal use
- May have a different exterior finish than the original factory manifold
Verdict: A complete, reliability-focused replacement manifold kit that includes gaskets and hardware to restore exhaust sealing in compatible Murano applications.
6. A-Premium Left Exhaust Manifold Kit with Gaskets and Hardware for Nissan/Infiniti 3.5L V6
| Material Type | Metal, Stainless Steel |
|---|---|
| Part Number | APEMD032 |
This A-Premium exhaust manifold kit replaces a worn or cracked left-side manifold on 3.5L V6 Nissan and Infiniti engines and ships with the gaskets and basic fasteners needed for installation. It is made from metal with stainless components intended to resist heat, warping, and corrosion, so it should restore proper exhaust sealing and help eliminate exhaust leaks and check-engine codes when fitted correctly. The kit includes a manifold gasket, flange gasket, four bolts, two studs, and two nuts which simplifies sourcing parts during a repair. Because it is a direct-replacement style part designed for the 3.5L V6 fitment, most home mechanics or independent shops can install it without modifying the exhaust. Limitations include dealer-level finish or fit not guaranteed and the one-year parts-only guarantee does not cover labor, so factor installation cost into your decision for older vehicles or complex installations.
Best for: Convenience-driven buyers who want a ready-to-install replacement kit that simplifies a left-side exhaust manifold repair on 3.5L V6 Nissan Murano models and reduces time spent sourcing separate parts.
Less Ideal for: Shoppers seeking a lifetime warranty, factory-matched finish, or a performance-upgrade manifold should consider alternatives rather than this direct-replacement repair kit.
- Includes manifold plus gaskets and necessary bolts, studs, and nuts for a single-side repair
- Stamped metal and stainless components resist heat, warping, and corrosion
- Designed to match 3.5L V6 left-side fitment to simplify installation without exhaust modification
- One-year unlimited-mileage parts guarantee for replacement coverage
- Warranty covers only the cost of the item and excludes labor and related expenses
- Fit and finish may not match factory parts exactly
Verdict: A convenient, all-in-one left-side replacement manifold kit that restores exhaust sealing for 3.5L V6 Nissan Murano owners without hunting down separate gaskets and hardware.
7. A-Premium Left Exhaust Manifold Kit with Gaskets and Hardware for Nissan/Infiniti 3.5L V6
| Brand Name | A-Premium |
|---|---|
| Material Type | Metal, Stainless Steel |
| Part Number | APEMD032 |
This A-Premium exhaust manifold kit replaces the left-side manifold on 3.5L V6 Nissan and Infiniti applications and ships with a manifold gasket, flange gasket, bolts, studs, and nuts for a complete small-scale installation. It is made from metal with a stainless finish intended to resist heat, warping, and corrosion so it can restore exhaust routing and help correct leak-related issues such as ticking noises or reduced performance. Typical use is as a like-for-like repair when the factory manifold is cracked or the gasket has failed; the included hardware reduces the need to source separate fasteners. Practical benefits include straightforward fitment for listed Murano years and related models and a one-year unlimited-mileage guarantee that covers the part itself. Important limitations are that this is a direct replacement component rather than an upgraded high-performance piece and installation may require moderate mechanical skill or professional labor for proper torque and exhaust sealing.
Best for: Risk-averse mainstream buyers seeking a straightforward, factory-style repair for a Nissan Murano V6 who value a complete parts kit and a vendor-backed guarantee.
Less Ideal for: Buyers looking for a high-performance or modified exhaust solution or those who prefer custom-fabricated manifolds for track or tuned engines should consider specialty performance options instead.
- Includes manifold gasket, flange gasket and necessary bolts, studs, and nuts for a more complete installation
- Constructed from metal with stainless steel elements designed to resist heat, warping, and corrosion
- Built to restore proper exhaust routing and fix exhaust leaks that cause noise and performance issues
- One-year unlimited-mileage guarantee covering the part cost
- Not positioned as a performance upgrade compared with aftermarket high-flow manifolds
- May require professional installation to ensure correct torque and sealing
Verdict: A complete left-side replacement manifold kit that restores proper exhaust sealing for compatible 3.5L V6 Nissan and Infiniti vehicles.
Choosing the Right Nissan Murano Exhaust Manifold: Key Factors to Consider
Fitment and Bolt Pattern
Correct fitment is essential because the manifold must align precisely with the cylinder head ports and bolt holes. A mismatched bolt pattern or incorrect port alignment can cause installation headaches, require machining, or lead to chronic leaks.
When assessing fitment, consider whether the part is listed as a direct replacement for the Nissan Murano and whether it includes installation hardware. Accurate flange shape and thickness help ensure a flat sealing surface and reduce stress on studs during torqueing. Fitment also affects sensor and component clearance around the manifold, which impacts how easily the part can be installed and maintained.
Material and Heat Resistance
Exhaust manifolds must withstand high temperatures and repeated heating cycles, so material choice affects longevity. Cast iron is durable and resists warping, while stainless steel options can offer lighter weight and better corrosion resistance depending on alloy and construction.
Also consider thermal expansion properties; materials that expand differently than the head can stress gaskets and studs. Heat-resistant coatings or ceramic treatments can reduce surface corrosion and radiated heat, which benefits nearby components and under-hood temperatures.
Sealing Surface and Gasket Compatibility
A flat, properly machined sealing surface helps prevent exhaust leaks at the head and at collector joints. Gasket compatibility matters because not all gaskets seal equally under high temperatures or small warpage.
Look for manifolds specified to work with OEM-style or reinforced gaskets and check whether the part includes a gasket or recommends a specific type. Proper sealing reduces exhaust noise, prevents exhaust gas intrusion into the engine bay, and helps maintain correct oxygen sensor readings for proper engine management.
Collector Design and Flow Characteristics
Collector geometry influences how exhaust pulses merge and how efficiently exhaust gases evacuate the cylinders. A well-designed collector can reduce backpressure and improve scavenging, which can translate to smoother throttle response and better overall engine efficiency.
Consider the collector shape, run length, and whether the design introduces sharp bends that could create turbulence. While exact performance gains depend on the broader exhaust system, collector design still affects how the manifold interacts with downstream components and the engine's breathing.
Corrosion Resistance and Finish
Exhaust manifolds are exposed to moisture, road salts, and thermal cycling, so surface treatment and base metal choice affect lifespan. Protective coatings, high-grade stainless alloys, and proper welding techniques all reduce the risk of premature corrosion.
Inspect finish details and any stated corrosion-resistant treatments. Even if a part starts in good condition, poor corrosion resistance can lead to cracks, stud failures, or difficult future removal, increasing long-term maintenance effort.
Ease of Installation and Serviceability
Installation difficulty influences labor time and the likelihood of correct installation. Factors such as access to mounting studs, sensor locations, and whether the manifold reuses existing heat shields matter for practical serviceability.
Also consider whether the design allows for straightforward gasket replacement or if the manifold complicates future repairs. Parts that minimize interference with surrounding components and allow access to oxygen sensors and EGR ports reduce labor and decrease the chance of installation errors.
How We Chose the Best Nissan Murano Exhaust Manifold
We evaluated candidate exhaust manifolds specifically for the Nissan Murano using several concrete, vehicle-focused filters. Fitment and bolt pattern accuracy were primary criteria to ensure a direct replacement without extensive modification. Heat resistance and material quality were assessed to predict long-term durability under elevated exhaust temperatures. Gasket sealing surfaces and flange flatness were considered to reduce the chance of leaks. Ease of installation, including access to studs and compatibility with existing sensors, was checked to estimate labor complexity. Corrosion resistance and coating or finish were reviewed for longevity in varied climates. We excluded candidate parts that required fabrication, significant modification, or did not explicitly note compatibility with Nissan Murano fitment. We also filtered out components lacking clear flange specifications or that used substandard sealing surfaces. The final selection favored parts that met fitment, thermal, sealing, and installation criteria relevant to Murano owners.
Our full evaluation process is outlined in our review methodology.
FAQ
What are common exhaust manifold symptoms on a Nissan Murano?
Common symptoms often include louder exhaust noise near the engine, a ticking sound during cold starts, reduced engine performance, or a noticeable exhaust smell in the cabin. Symptoms depend on the type and location of the problem and may appear gradually. If you notice any of these signs, a focused inspection can help determine whether the manifold or its gasket is the cause.
How can I diagnose an exhaust manifold leak?
Diagnosing a leak usually starts with a visual inspection for soot, cracks, or warped flanges around the manifold. With the engine cold, listen for ticking or unusual exhaust noise; a smoke test or using a length of hose as a stethoscope can help isolate the source. Pay attention to changes in engine performance and oxygen sensor behavior, which can also suggest an exhaust leak.
Should I replace the exhaust manifold gasket when swapping the manifold?
It is generally advisable to install a new gasket when replacing or swapping a manifold because gaskets compress and conform to sealing surfaces over time. Reusing an old gasket can increase the risk of leaks and may require removing the part again soon after installation. Using the recommended gasket type helps ensure a reliable seal.
What causes exhaust manifold cracks and how serious are they?
Cracks often result from repeated thermal cycling, corrosion, or stress from incorrect torqueing of studs. Small cracks can cause noise and minor leaks, while larger cracks may affect engine performance and increase under-hood temperatures. Severity depends on crack size and location; many cracks warrant repair or replacement to prevent further damage.
How does material choice affect exhaust manifold longevity?
Material affects resistance to warping, cracking, and corrosion. Cast iron typically resists heat-induced warping well and is durable, while certain stainless steels resist corrosion and can be lighter. The right material for longevity balances thermal characteristics, corrosion resistance, and how it interfaces with the engine head.
Will installing a new exhaust manifold improve fuel economy?
Replacing a faulty or leaking manifold can restore proper exhaust flow and sensor readings, which may improve efficiency compared with a compromised system. However, a new manifold alone is unlikely to dramatically change fuel economy unless the old part was causing significant leaks or backpressure issues. Overall gains depend on the condition of the entire exhaust and engine management systems.
Conclusion
When choosing an exhaust manifold for a Nissan Murano, prioritize correct fitment, durable materials, and a properly machined sealing surface. These factors reduce the risk of leaks, make installation easier, and contribute to long-term reliability. Weigh tradeoffs among material, corrosion resistance, and collector design based on how you use the vehicle. Good gasket compatibility and serviceability often deliver the best balance between performance and maintenance effort.
Explore More:
- Check out all Nissan Murano parts & accessories
- Explore Exhaust Manifolds Maintenance & Repair Guides
- Explore Exhaust & Emissions
- Browse all Auto Parts
