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Getting the right exhaust manifold for a Mitsubishi Lancer matters for engine performance, emissions behavior, and cabin noise levels. A correctly matched manifold helps maintain exhaust flow, prevents leaks that can harm sensors, and supports reliable long-term operation. This guide highlights the top shortlisted exhaust manifolds for the Mitsubishi Lancer that meet common fitment and durability needs. We evaluated options on build quality and compatibility with the vehicle, and the sections below explain the criteria we used and what to look for when choosing a replacement or upgrade.
Looking for other parts? See all Mitsubishi Lancer parts & accessories.
Top Picks at a Glance
| Best Reviewed A top-rated pick with lots of positive feedback | Dorman 674-909 Driver Side Exhaust Manifold Kit with Gaskets and Hardware |  |
| Best Quality Built to a higher standard if you want something more solid | AngyMeck Exhaust Manifold Pair with Gaskets and Hardware |  |
| Best Budget The cheapest option that still gets the job done reliably | AngyMeck Right Exhaust Manifold (Passenger Side) |  |
| Most Sold A high-volume bestseller chosen again and again | Dorman 674-803 Exhaust Manifold Kit with Gaskets and Hardware |  |
| Best Value for Money The sweet spot between price and what you get | PartsFlow Left and Right Exhaust Manifold with Heat Shield |  |
| Best Overall The best all-around choice for most situations | A-Premium Exhaust Manifold Kit with Gaskets and Hardware |  |
1. Dorman 674-909 Driver Side Exhaust Manifold Kit with Gaskets and Hardware
| Position | Center |
|---|---|
| Manufacturer | Dorman Products |
| Model | 674-909 |
| Automotive Fit Type | Universal Fit |
This Dorman driver-side exhaust manifold kit is designed as a direct replacement for specified vehicles and ships with the gaskets and downpipe hardware required for installation. In practice it is used to repair cracked or leaking manifolds that cause exhaust noise and poor sealing at the exhaust port. The casting is heavier than some factory parts and arrives machined at the mating face to reduce warping and leaks. Including the heat shield, gasket and downpipe fasteners makes the job quicker because you do not need to source additional parts. Several owners report minor port roughness that can be smoothed with light port matching before installation, so some basic preparation may be needed for an ideal seal. This is a solid aftermarket option when you need a reliable repair that restores exhaust sealing and quiets a noisy manifold, but it is a replacement part rather than an upgraded performance piece and may require small fitment tweaks during install.
Best for: Reliability-focused buyers who prioritize a durable, no-surprises repair and want a part that restores factory-level function with minimal follow-up orders.
Less Ideal for: Drivers seeking measurable performance gains, flow-optimized manifolds, or a plug-and-play race upgrade should look at performance-oriented options instead.
- Includes all necessary gaskets and downpipe hardware for a one-order complete repair
- Machined mating face to minimize warping and reduce exhaust leaks
- Heavier, more robust casting in failure-prone areas compared with worn OEM parts
- Comes with heat shield and hardware to simplify installation
- Port faces and edges may be rough out of the box and sometimes need light port matching
- Not a performance upgrade—intended as a factory-quality replacement rather than increased flow or power
Verdict A practical, reliability-minded replacement manifold kit that includes the gaskets and hardware to restore a leaking driver-side exhaust manifold without needing extra parts.
2. AngyMeck Exhaust Manifold Pair with Gaskets and Hardware
| Material | Cast Iron |
|---|---|
| Package Includes | Manifolds, manifold gasket, flange gasket, studs, nuts, springs |
| Manufacturer | AngyMeck |
| Manufacturer Part Number | AMN01129AN01165 |
These cast-iron exhaust manifolds come as a complete pair with manifold gaskets, flange gaskets, studs, nuts and springs so you have the basic hardware needed for installation. In use they function like a direct factory-style replacement: the cast iron construction resists heat and warping, and included gaskets simplify the rebuild of the exhaust ports and mating surfaces. Several buyers report good fitment and straightforward installation when the part numbers match, and the faces are generally flat enough that minor lapping finishes a tight seal. Practical benefits are lower cost compared with dealers and a full hardware kit that removes the need to source extra parts. Limitations are that these are replacement aftermarket castings so small variations can occur such as undersized openings for accessories that may require drilling or fitting, and the kit does not include manifold boots or sometimes new mount bolts, which may require additional purchases for a complete job.
Best for: Performance-oriented buyers who prioritize restoring reliable exhaust flow and durability on an older vehicle and want a direct replacement that keeps heat management and port sealing close to factory behavior.
Less Ideal for: Shoppers who require guaranteed, vehicle-specific fitment for a Mitsubishi Lancer or who want a precision OEM-sourced manifold with verified fitment data for that model should look elsewhere.
- Cast iron construction for durable, heat-resistant service
- Ships as a left and right pair with gaskets and installation hardware included
- Many users report good fitment and straightforward installation when part numbers match
- Gaskets provided are generally better than average, reducing the need to buy extras
- Made as an aftermarket casting so small dimensional variances can require minor modification
- Does not include manifold boots and may not include new manifold-to-head bolts
Verdict Solid, budget-friendly cast-iron replacement manifolds with a full gasket and hardware kit, but expect possible minor fitment work and missing ancillary parts for a complete install.
3. AngyMeck Right Exhaust Manifold (Passenger Side)
| Brand | AngyMeck |
|---|---|
| Manufacturer Part Number | AMN01165 |
| Material | Cast Iron |
| Gasket Included | Yes |
This cast-iron exhaust manifold is a straightforward aftermarket replacement that routes exhaust from the right bank to the rest of the exhaust system and arrives with gaskets included. It is built to match factory mounting points so sensors and bolt holes line up for a bolt-on installation, which is helpful for a quick repair job. In practice the part is used to stop exhaust leaks, restore backpressure and eliminate exhaust noise coming from a cracked or warped stock manifold. The cast-iron construction offers durability and heat resistance similar to factory pieces, though buyers should expect a basic finish without corrosion protection beyond the raw casting. Some customers reported the hardware kit was missing, so you may need to source bolts locally before installation. Fit and fitment comments indicate consistent alignment where it matches the vehicle, but this listing documents compatibility for older Chevrolet and GMC trucks and SUVs rather than Mitsubishi Lancer models, so confirm fitment carefully for any Lancer application.
Best for: Budget-conscious DIYers who prioritize a low-cost, factory-style replacement to stop exhaust leaks and get a vehicle back on the road quickly.
Less Ideal for: Those seeking a corrosion-resistant or performance-tuned manifold for long-term use on a Mitsubishi Lancer should consider purpose-designed alternatives instead.
- Cast iron construction for strength and heat resistance
- Designed to match factory mounting points for a bolt-on replacement
- Includes gaskets to simplify installation where listed
- Multiple customer reports of good fit where it matches application
- Listed vehicle compatibility is for older GM trucks and SUVs rather than Mitsubishi Lancer
- Basic raw finish with no special corrosion coating
- Some orders may arrive without the hardware kit, requiring separate bolt purchase
Verdict A low-cost, cast-iron direct-fit replacement ideal for quick budget repairs but check fitment and hardware before installation.
4. Dorman 674-803 Exhaust Manifold Kit with Gaskets and Hardware
| Brand | Dorman |
|---|---|
| Model | 674-803 |
| Position | Center |
| Includes | Gaskets and downpipe hardware |
This Dorman manifold kit replaces a damaged or leaking manifold and comes with the gaskets and downpipe hardware required for installation. It is designed as a direct-fit replacement, so in typical use it bolts to the cylinder head and mates to the downpipe to restore exhaust sealing and routing. Notable features include provision of all mounting hardware and a reverse-engineered fit aimed at matching factory alignment, which speeds repairs and avoids multiple parts orders. The practical benefit is a faster, single-purchase repair for an older car, especially when original bolts are rusted or missing. Reported issues include occasional missing or defective components and at least one case of a broken weld on arrival, so careful inspection before installation is advised. Expect to clean any protective oil coating before heating to avoid smoke during initial run-in. This kit suits owners who want a straightforward replacement rather than performance upgrades, but results depend on careful fit verification and basic installation skills.
Best for: Risk-averse mainstream buyers seeking a ready-to-install replacement to get an older Mitsubishi Lancer back on the road with minimal parts hunting and downtime.
Less Ideal for: Buyers wanting a performance-oriented upgrade or a vehicle-specific high-end OEM match should consider engineered performance manifolds or direct factory replacement parts instead.
- Includes gaskets and downpipe hardware for a one-order repair
- Designed to match factory fit for simpler installation
- Durable construction intended to resist warping and leakage
- Commonly fits older vehicle models so replacement parts are easy to source
- Some buyers reported missing or defective components in the box
- Is an aftermarket replacement and may have occasional weld or fitment quality issues
Verdict A practical, all-in-one aftermarket manifold kit that simplifies a factory-style replacement but requires inspection for occasional quality issues.
5. PartsFlow Left and Right Exhaust Manifold with Heat Shield
| Manufacturer | PartsFlow |
|---|---|
| Material | Cast Iron |
| Placement on Vehicle | Left, Right, Front |
| Manufacturer Part Number | 14ZAABIFE |
| OEM Part Number | 674-156, 674-157,10045315, 14093658, 14102016 |
These cast-iron left and right exhaust manifolds with heat shields are sold as a paired replacement set intended to restore a factory-style exhaust connection. They bolt to the cylinder heads and route exhaust into the y-pipe, so installation is typically a direct swap when the rest of the exhaust is compatible. Notable features include cast-iron construction and included heat shields, which help resist warp and reduce heat transfer to nearby components. The set lists several OEM replacement numbers and is aimed at owners who need a budget-friendly repair that performs like a factory replacement. Common limitations are the fitment sensitivity seen in some reports—alignment with existing y-pipes and missing small hardware can require adjustments or extra parts—and occasional surface blemishes on cast pieces. Expect straightforward performance for emissions and exhaust routing but allow time for minor fitment tweaks during installation.
Best for: Practical optimizers looking to repair an older vehicle on a budget and restore factory-style exhaust function without overspending on performance upgrades.
Less Ideal for: Do not choose this if you need a perfect bolt-on fit for a customized exhaust system or if you want a high-performance aftermarket header rather than a factory-style manifold.
- Sold as complete left and right manifold pair for simultaneous replacement
- Cast iron construction that resists heat soak and maintains rigidity
- Includes heat shields to limit heat transfer to surrounding components
- Lists multiple factory replacement part numbers for cross-reference
- May require minor modification or y-pipe adjustment for a precise fit
- Some units arrive with surface chips or cosmetic imperfections
- Hardware may not always be included requiring purchase of fasteners or gaskets separately
Verdict A budget-friendly, factory-style cast-iron manifold pair that restores stock exhaust routing but may need minor fitment work.
6. A-Premium Exhaust Manifold Kit with Gaskets and Hardware
| Brand | A-Premium |
|---|---|
| Manufacturer Part Number | APEMD116 |
| OEM Part Number | 674-940, 12609823 |
| Compatible Engines | L4 2.4L |
This exhaust manifold kit replaces a failed manifold and comes as a complete package with the manifold, manifold gasket, flange gasket, and the bolts and nuts needed for installation. In use it bolts directly to the cylinder head and downstream exhaust, restoring proper exhaust flow and helping eliminate exhaust leaks, cabin fumes, and noise that appear when the original cracks. The casting is solid and designed to resist heat and corrosion, and buyers report it matches factory fit and flange locations so heat shields and mounting points align without modification. The included gaskets and hardware simplify a one-job replacement. Limitations: the part is a direct replacement cast manifold rather than a high-end stainless or tubular performance header, so it will not improve power or flow noticeably and long-term durability depends on driving conditions because this engine family is known for manifold cracking over many miles. Also the kit is vehicle-specific so correct fitment must be confirmed before installation.
Best for: Balanced buyers who prioritize a reliable, straightforward factory-style replacement that restores quiet operation and stops exhaust leaks without extra modification.
Less Ideal for: Drivers seeking performance gains, reduced weight, or a long-term high-temperature upgrade should consider aftermarket headers or stainless options instead.
- Complete kit includes manifold, manifold gasket, flange gasket and mounting bolts and nuts for a single replacement job
- Casting matches factory mounting points so heat shields and flanges align without modification in reported installs
- Cast construction resists heat and corrosion better than thin stamped alternatives
- Not a performance header so it will not increase exhaust flow or horsepower
- Long-term lifespan may be limited on engines prone to manifold cracking under heavy thermal cycling
Verdict A practical, factory-style replacement manifold kit that restores proper exhaust sealing and fit without performance improvements.
Choosing the Right Mitsubishi Lancer Exhaust Manifold: Key Factors to Consider
Fitment and Port Alignment
Exact fitment to the Mitsubishi Lancer’s cylinder head ports is essential because even small misalignments can cause exhaust leaks or require modification. Correct port alignment ensures the manifold mates flatly to the head, allowing the exhaust gases to flow smoothly and avoiding stress on bolts and studs.
When fitment is precise you avoid additional labor to correct mating surfaces and reduce the risk of gasket failure. Check that bolt hole patterns, flange thickness, and the mating surface finish match the factory specifications to ensure a straightforward replacement.
Material and Heat Resistance
The material determines how well a manifold withstands repeated thermal cycles. Cast iron offers good heat resistance and vibration damping but can be heavy and may crack under extreme conditions. Stainless steel variants resist corrosion and are lighter, though thin sections can warp if not properly engineered.
Consider how the manifold’s material handles expansion and contraction because thermal fatigue is a common cause of cracks and leaks. Higher-quality metallurgy and thicker flange areas help preserve sealing surfaces over time.
Sealing Surfaces and Gasket Compatibility
A reliable seal between the manifold and the head prevents exhaust leaks that can affect emissions, engine sensors, and interior noise. The flange face finish, flatness, and surface treatment all influence gasket performance. Some manifolds are designed to work with specific gasket styles, while others rely on thicker or multi-layer gaskets for durability.
Confirm gasket compatibility and whether the manifold requires a specific gasket type. Proper sealing hardware such as alignment dowels, new studs, or hardened nuts can also make a significant difference in preventing future leaks.
Crack Resistance and Structural Design
Cracks commonly form where heat and stress concentrate, such as near the flange or at bends. Manifolds with reinforced regions, smooth internal transitions, and minimized thin sections reduce the likelihood of crack initiation. Designs that control stress distribution extend service life under regular driving conditions.
Inspect how the manifold routes gases and where welds or cast joints occur. Robust structural design lowers the chance of hairline fractures and the need for frequent repair or replacement.
Exhaust Flow and Backpressure Effects
Manifold geometry influences exhaust flow, scavenging, and backpressure, which can in turn affect throttle response and torque. While dramatic performance claims are rare for direct-fit parts, a smoother path with fewer sharp turns typically reduces resistance and helps the engine breathe more efficiently.
Balance the desire for improved flow with the need for consistent exhaust velocity. For everyday driving, maintaining adequate low-end torque often matters more than peak flow gains, so pick a design that supports the Lancer’s typical operating range.
Installation Considerations and Hardware
Ease of installation affects both cost and reliability. Direct-fit manifolds that use existing bolt locations and require minimal disassembly reduce labor time and lower the chance of installation errors. Consider whether the manifold includes new gaskets, bolts, or studs, and if it needs additional parts such as new heat shields or O2 sensor fittings.
Also consider access to tight fasteners and whether the design requires removal of surrounding components. Manifolds designed with installer-friendly features help ensure proper torqueing and sealing, which reduces the risk of leaks after installation.
FAQ
What are common exhaust manifold symptoms on a Mitsubishi Lancer?
Common symptoms include a ticking or tapping noise that changes with engine speed, noticeable exhaust smell in the cabin, reduced engine responsiveness, and illumination of engine fault lights. These signs often stem from leaks or cracks where the manifold meets the cylinder head or at flange areas.
How can I diagnose an exhaust manifold leak on a Mitsubishi Lancer?
Diagnosis often starts with a visual inspection for cracks, soot, or warped flanges. With the engine cold, you can feel for escaping exhaust around the mating surfaces while someone revs the engine briefly. A smoke test or listening with a mechanic’s stethoscope can help locate small leaks without disassembling major components.
When is exhaust manifold replacement necessary versus repair?
Replacement is usually recommended if the manifold has visible cracks, severe warping, or failed flange faces that prevent a reliable seal. Minor surface damage or a damaged gasket can sometimes be repaired or replaced without changing the manifold, but structural cracks often require a new unit for long-term reliability.
Do I need to replace the exhaust manifold gasket when swapping manifolds?
It is a good practice to replace the gasket whenever you remove or swap the manifold because gaskets compress and conform to sealing surfaces. Using a new gasket helps ensure a proper seal and reduces the chance of leaks after installation. Also inspect hardware like studs and nuts for corrosion or damage.
Can installation issues cause manifold leaks on a Mitsubishi Lancer?
Yes. Improper torque sequences, reused or damaged fasteners, and uneven flange contact can all lead to leaks. Following the correct tightening sequence and torque specs, using alignment aids if provided, and replacing any compromised hardware helps ensure a durable seal.
How long do exhaust manifolds typically last on a Mitsubishi Lancer?
Longevity depends on material, driving conditions, and exposure to road salt or moisture. Well-made manifolds often last many years under normal driving, while thermal fatigue, corrosion, or repeated overheating can shorten service life. Regular inspection for early signs of wear helps catch issues before they become serious.
How We Chose the Best Mitsubishi Lancer Exhaust Manifold
We focused on items that provide reliable fitment and long-term durability for the Mitsubishi Lancer. Key evaluation criteria included material and build quality, exact fitment to the Lancer engine and exhaust ports, resistance to cracking and warping under heat, and the quality of flange and bolt interfaces that affect sealing. We also considered gasket compatibility and how the design impacts exhaust flow and backpressure. We excluded parts that did not specify compatibility with the Mitsubishi Lancer, components intended only for racing without street-legal considerations, and manifolds that required extensive custom fabrication. Final selections prioritized direct-fit solutions or those with minimal adaptation required, robust sealing features to prevent leaks, and designs that balance flow improvements with reliable sealing and longevity.
Our full evaluation process is outlined in our review methodology.
Conclusion
Prioritize exact fitment, durable materials, and reliable sealing when choosing an exhaust manifold for a Mitsubishi Lancer. Balance the desire for improved flow with the need to maintain low-end torque and a durable flange interface. Pay attention to installation details such as gasket selection and proper hardware to avoid leaks. Focusing on these criteria will help you select a solution that restores performance and minimizes future maintenance.
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