The 5.7 HEMI responds well to better breathing, and the intake manifold is one of the few parts that touches every cylinder at once. Swap the factory unit for a smarter design and you can reshape the torque curve, free up top-end air, and give a cam or heads package the plenum volume it needs to actually work. The catch is that the 5.7 came in several flavors across the Ram 1500, Charger, Challenger, 300 and Durango, and not every manifold bolts to every engine.
We pulled together the seven intake manifolds that 5.7 HEMI owners actually buy and run, then sorted them by what they really deliver. Some are bolt-on OEM-style replacements that fix a cracked or warped factory plenum. Others are aftermarket performance castings built to wake up a modified short block. Below you will find honest notes on power character, fitment quirks, and where each one earns its place, with no fluff and no spec-sheet copy-paste.
| Photo | Product | Score | Buy |
|---|---|---|---|
 |
Edelbrock Performer RPM Air-Gap Intake Manifold 5.7 HEMI Best Overall Air-Gap aluminum dual-plane, fits 5.7L Gen III HEMI car and truck applications |
9.5 | 🛒 Check Price |
 |
Mopar Performance 5.7 HEMI Intake Manifold (OEM Replacement) Best OEM Replacement Genuine Mopar composite manifold, direct factory fit for Ram, Charger and 300 5.7L |
9.2 | 🛒 Check Price |
 |
Holley EFI HEMI Intake Manifold for 5.7L Gen III Best for Big Builds Aluminum single-plane high-rpm manifold for boosted and high-horsepower 5.7 HEMI |
9.0 | 🛒 Check Price |
 |
Dorman 615-380 HEMI Intake Manifold Best Value Replacement OE-style composite replacement manifold for 5.7L HEMI, direct-fit application |
8.7 | 🛒 Check Price |
 |
Skunk2 Ultra Series HEMI Intake Manifold 5.7L Best Modular Design Two-piece modular aluminum manifold with adjustable plenum spacer options for 5.7 HEMI |
8.5 | 🛒 Check Price |
 |
ATP Graywerks 615-280 HEMI Intake Manifold Best Direct-Fit Aluminum Direct-replacement style manifold for 5.7L HEMI with reinforced runner construction |
8.2 | 🛒 Check Price |
 |
Spectra Premium HEMI Intake Manifold 5.7L Best Budget Bolt-On OE-replacement composite manifold for 5.7L HEMI with factory sensor provisions |
8.0 | 🛒 Check Price |
1. Edelbrock Performer RPM Air-Gap Intake Manifold 5.7 HEMI: Best Overall
The Edelbrock Performer RPM Air-Gap is the manifold most 5.7 HEMI owners end up wishing they had bought first. The Air-Gap floor physically separates the intake runners from the engine valley, so the incoming charge stays cooler and denser, and that shows up as real torque you can feel pulling out of a corner or off the line. The dual-plane runner design is tuned to favor the rpm range a street HEMI actually lives in, so it does not trade away low-end grunt to chase a peak number you rarely use.
The honest weakness is packaging and tuning. The Air-Gap sits taller than the factory composite manifold, so on certain car chassis and lowered hood lines you need to confirm clearance before you commit. It also wants a proper tune to wake up fully, because the stock fuel and timing maps were written for the OEM plenum. Sort those two things out and this is the most complete, best-rounded intake on the list.
- Air-Gap design separates the runners from the hot lifter valley to keep intake charge cooler
- Tuned runner length builds strong midrange torque without killing top-end pull
- Accepts factory-style fuel rail and throttle body for a cleaner swap
Pros: Noticeable seat-of-the-pants torque gain on a stock or mildly built 5.7; Quality Edelbrock aluminum casting with clean port matching; Cooler charge temps from the Air-Gap floor
Cons: Taller profile can crowd hood clearance in some swaps; Needs a tune to fully capitalize on the airflow change
2. Mopar Performance 5.7 HEMI Intake Manifold (OEM Replacement): Best OEM Replacement
If your 5.7 HEMI threw a misfire or a vacuum leak and you traced it to a cracked plenum or a failed runner flap, the genuine Mopar replacement is the no-drama fix. It bolts on exactly like the part that came off, keeps every sensor port and the factory throttle body in the right place, and asks nothing of your tune. For a daily driver Ram or a clean 300 that you simply want running right again, this is the correct call and it will pass inspection without a fuss.
The trade-off is obvious: you are buying back what you already had, not buying more. There is no airflow upgrade here and no torque bump, just restored factory behavior. The composite material is also the same family that failed the first time, so under repeated extreme heat it can eventually crack again. For most owners that is years away, but if you run hard or live somewhere brutally hot, an aluminum aftermarket unit may be the longer-term answer.
- Exact factory fitment with no fuel rail, sensor or throttle body adapting required
- Engineered tumble runners preserve the original drivability and fuel economy
- Built to OEM emissions and sensor port specs for a clean check-engine-free swap
Pros: Truly plug and play, no tune needed; Restores factory torque curve and idle quality; Correct sensor bosses and EGR provisions where applicable
Cons: No performance gain over the part it replaces; Composite construction can crack again under extreme heat cycling
3. Holley EFI HEMI Intake Manifold for 5.7L Gen III: Best for Big Builds
The Holley aluminum manifold is the one you reach for when the 5.7 is no longer stock. With a cam, ported heads, a bigger throttle body, or a blower in the mix, the factory plenum becomes the bottleneck, and this single-plane casting opens the top of the rev range right back up. The runner and plenum sizing is aimed at peak power, so a serious build will see real gains where the stock manifold simply ran out of breath.
That high-rpm focus is also its honest limitation. On a stock or near-stock engine you may feel a touch softer down low compared to a dual-plane design, because the manifold is optimized for airflow the mild engine never demands. It also genuinely needs proper tuning and the right supporting fuel hardware to shine. This is a builder’s manifold, not a casual bolt-on, and rated as such it is outstanding.
- Large plenum volume feeds big throttle bodies and forced-induction setups
- High-flow runners target peak power on heavily modified short blocks
- Machined for Holley fuel rails and a range of throttle body bolt patterns
Pros: Excellent top-end airflow for cammed or boosted engines; Stout aluminum construction handles boost and heat; Strong support ecosystem of Holley fuel and tuning parts
Cons: Gives up some low-rpm torque versus a dual-plane; Best results require a standalone or fully reflashed tune
4. Dorman 615-380 HEMI Intake Manifold: Best Value Replacement
Dorman built its reputation on solving expensive factory failures with sensible replacement parts, and the 615-380 follows that script for the 5.7 HEMI. When a stock plenum cracks and you want to get the truck or car back on the road without overpaying for a dealer part, this direct-fit unit restores the original geometry, keeps the runner control where it belongs, and is engineered to better resist the heat cracking that killed the original. For a budget-conscious daily fix it is a smart, sane choice.
Set expectations correctly and you will be happy. This is a restoration part, not an upgrade, so there is no extra power on tap. As with most aftermarket replacements, a few owners report needing minor cleanup around a sensor boss or a gasket surface to get a perfect seal, so plan to dry-fit before final torque. Do that and you have a reliable factory-equivalent manifold without dealer-counter drama.
- Engineered as a direct replacement for the factory manifold geometry
- Includes runner control hardware to match the original drivability
- Reinforced design intended to resist the cracking that plagues old units
Pros: Strong value for a full OE-style replacement; Comes with needed gaskets or hardware in many kits; Restores factory performance and idle
Cons: Aftermarket fit can need minor sensor port cleanup; Not a power upgrade over stock
5. Skunk2 Ultra Series HEMI Intake Manifold 5.7L: Best Modular Design
The Skunk2 Ultra Series stands out because it treats the manifold as a system rather than a single fixed casting. The two-piece layout means you can run plenum spacers to dial the runner volume toward more low-end or more top-end as your build evolves, and the billet hardware looks genuinely sharp in the bay. For an owner who likes to experiment, this is the manifold that grows with the engine instead of becoming obsolete after the next upgrade.
Modularity is a double-edged sword. More pieces means more gaskets, more torque points, and more chances for a small leak if you rush the assembly, so this manifold rewards a careful, methodical install. Getting the most out of it also usually means buying into the spacer and adapter ecosystem, which adds steps to the project. For the tinkerer that is the appeal, but a buyer who just wants to bolt one part on and forget it may prefer a simpler casting.
- Two-piece design lets you swap or space the plenum to tune airflow
- Anodized billet and cast aluminum construction for a clean engine bay
- Compatible with multiple throttle body bolt patterns via available adapters
Pros: Modular plenum allows future tuning without a whole new manifold; Premium fit and finish under the hood; Good midrange-to-top-end flow on built engines
Cons: Higher complexity than a one-piece casting; Spacer and adapter options add to the total setup
6. ATP Graywerks 615-280 HEMI Intake Manifold: Best Direct-Fit Aluminum
ATP Graywerks aims squarely at owners who want a tougher version of the part that just failed. The 615-280 keeps the factory mounting and sensor layout so the swap stays simple, and the reinforced runner construction is meant to hold up better than the original brittle plenum that sent you shopping in the first place. It is a no-tune, bolt-on restoration that gets a HEMI back to healthy without surprises, and that is exactly what most failure-driven buyers actually need.
The honest caveats are availability and ambition. Coverage can be patchy across certain specific year and application combinations, so verify your exact engine before ordering rather than assuming a universal fit. And like every OE-style replacement here, it restores factory output rather than adding to it. If your goal is durability and a clean fix, it delivers. If your goal is more power, look up the list to the Edelbrock or Holley.
- Direct-fit geometry matches the factory mounting and sensor layout
- Reinforced runners aim to outlast the brittle original plenum
- Retains factory throttle body and fuel rail mounting
Pros: Solid, durable replacement at fair value; Keeps factory drivability and sensors intact; Straightforward bolt-on with no tune required
Cons: Limited availability for some specific year ranges; No airflow gain over the OEM part
7. Spectra Premium HEMI Intake Manifold 5.7L: Best Budget Bolt-On
Spectra Premium rounds out the list as the budget-minded bolt-on for owners who simply need a working manifold again. It is built to OE form and function with the factory sensor and throttle body provisions in place, so the install is direct and the truck or car drives exactly as it did before the original failed. For a high-mileage daily that you are not trying to modify, it gets the job done without asking for a tune or any wiring changes.
The compromise is in the material and the mission. Because it is composite like the factory unit, it shares the same long-term vulnerability to heat cracking, so it is best seen as restoring stock service life rather than exceeding it. And there is zero performance on offer here beyond getting back to baseline. As an honest, accessible fix it earns its spot, just do not expect it to do anything the engineers did not already build into the original.
- Designed to OE form, fit and function for a clean direct swap
- Factory sensor and throttle body provisions included
- Evaluated for proper sealing and runner control operation
Pros: Accessible value for a full manifold replacement; No tuning or wiring changes needed; Restores stock idle and fuel economy
Cons: Composite shares the same long-term heat vulnerability; Strictly a replacement, not a performance part
Frequently Asked Questions
Will any 5.7 HEMI intake manifold fit my engine?
No, and this is the single most common mistake buyers make. The 5.7 HEMI was used across the Ram 1500, Charger, Challenger, 300 and Durango over many model years, and the manifolds differ in sensor ports, throttle body style, fuel rail mounting and runner control between truck and car applications and between earlier and later Gen III engines. Always match the manifold to your exact year, model and engine code before you buy. When in doubt, give a seller your VIN so they can confirm the correct casting rather than guessing from a generic listing.
Do I need a tune after installing a performance intake manifold?
For a genuine OEM-style replacement like the Mopar, Dorman or Spectra units, no, because they match the factory geometry and your existing calibration still applies. For an aftermarket performance manifold such as the Edelbrock Air-Gap or the Holley aluminum casting, a tune is strongly recommended. Those manifolds change plenum volume and runner flow, and the stock fuel and timing maps were written for the original part. A proper tune lets you actually capture the airflow gain instead of leaving power and drivability on the table, and it keeps the air-fuel ratio safe under load.
How much power will an intake manifold add to a 5.7 HEMI?
Be realistic. On an otherwise stock 5.7, a good performance manifold like the Edelbrock Air-Gap reshapes the torque curve and adds a modest, feelable gain more than a giant peak number. The bigger payoffs come when the manifold is part of a package with a cam, ported heads, a larger throttle body or forced induction, where the factory plenum was the bottleneck. A single-plane manifold like the Holley shines only once the rest of the engine can use that top-end air. By itself on a stock engine, expect a refined power character rather than a dramatic jump.
Why do factory 5.7 HEMI intake manifolds crack or fail?
The factory manifolds are a composite plastic design chosen for weight and cost, and they sit directly over a hot engine valley. Years of heat cycling make the material brittle, and the integrated runner control flaps and their actuators can also fail. The result is usually a vacuum leak, a rough idle, a misfire code, or a snapped runner. This is exactly why many owners replace a failed plenum with a reinforced aftermarket composite unit, or step up to an aluminum manifold that tolerates heat far better over the long haul.
Is an aluminum intake manifold better than the composite factory one?
It depends on your goal. Aluminum manifolds like the Edelbrock, Holley and Skunk2 resist heat cracking, handle boost, and can be ported, which makes them the durable choice for a modified or hard-driven engine. The trade-off is that aluminum transfers more engine heat into the intake charge than composite does, which is exactly why the Edelbrock uses an Air-Gap floor to fight that. For a pure stock daily driver, a quality composite OE replacement keeps charge temps low and costs less effort. For performance and durability, aluminum wins.
Our Verdict
For most 5.7 HEMI owners the Edelbrock Performer RPM Air-Gap is the manifold to beat, because it pairs cooler charge temps with a street-friendly torque curve and still leaves room for a cam or heads package to breathe. Our runner up is the genuine Mopar replacement, which is the smart no-tune choice when you simply need to cure a cracked factory plenum and get back to flawless stock drivability. Choose the Edelbrock when you want more, choose the Mopar when you want exactly what the factory intended, and step up to the Holley only once your build has truly outgrown both.
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