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Dorman 615-175 Engine Intake Manifold

Curated from 93 real Reddit conversations

Refreshed on: April 1, 2025

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Dorman 615-175 Engine Intake Manifold

Brand: Dorman
Price: $191
Snoop Score:
1.5
Sentiment
3.8
Popularity
1.0
Technical
0.9
Buy on Amazon for $191See All Intake Manifold Reviews
As an Amazon Associate, I earn from qualifying purchases.

Snoop's Take

The Dorman 615-175 Engine Intake Manifold is designed as a reliable replacement for select Ford, Lincoln, and Mercury models. Precision-engineered to match the original specifications, this manifold aims to provide a trouble-free installation and restore engine performance. Consumer feedback highlights both satisfaction and concern; many users note, "I've had a Dorman replacement in use for the last six years and haven't had a problem," reflecting long-term reliability for non-performance applications. However, there are significant concerns regarding potential carbon buildup and power loss, with some stating, "the Dorman manifold can cause a power loss of up to 30 horsepower from the stock Ford manifold." Overall, while the Dorman intake manifold may serve adequately for budget-conscious consumers, those seeking long-term performance and reliability might want to explore OEM options or alternative brands.

Not for you? Check out our other rated Intake Manifold

Pay the 300,400,500,600$ whatever for a new OEM ford racing intake or try to attempt to get a used one, or simply get the dorman and deal with it.

Positive Feedback

once your high mileage its recommended to do if you plan on keeping the car long term.

Negative Feedback
Product
1.5
Dorman 615-175 Engine Intake Manifold
Buy on Amazon for $191
Engine Upgrades
1 / 10
Routine Maintenance
1 / 10
Restoration Projects
1 / 10
Aftermarket Enhancements
1 / 10
See how this compares to all Intake Manifold

What it does well!

Key strengths users can’t stop talking about.
Dorman intake works adequately for non-performance use
“Pay the 300,400,500,600$ whatever for a new OEM ford racing intake or try to attempt to get a used one, or simply get the dorman and deal with it.”➕
Dorman intake has held up well for long-term use
“its been on there since 2015. 30k miles so far its held up.”➕
“I've had a Dorman replacement in use for the last six years and haven't had a problem.”➕

Where it needs some work!

Areas to watch—feedback on possible improvements.
Intake manifold may lead to carbon buildup over time
“once your high mileage its recommended to do if you plan on keeping the car long term.”➕
Dorman manifold may fail over time
“It seems like the Dorman manifold that I got the car with has failed and I'll be replacing it with the new summit racing one to hopefully not have to worry about it again.”➕
“Alright alright jokes aside, it's a pretty easy job.”➕
Dorman manifold may lead to power loss
“The dorman loses 15 horsepower. Theres no way I would be okay with that.”➕
Dorman is perceived as low quality
“Dorman is junk, or Bullitt intake(expansive)”➕
Dorman manifold may not be reliable
“Theyre on backorder, and some people saying they aren't being made anymore.”➕
Dorman intake may restrict engine performance
“Considering the dorman one isnt all that much cheaper than the ford one, its not worth it to save a few bucks.”➕
Dorman is not preferred compared to OEM or other brands
“I would not go for the Dorman intake manifold.”➕
Dorman intake may cause power loss
“These Dorman intakes are garbage.”➕
“the dorman manifold can cause a power loss of up to 30 horsepower from the stock Ford manifold.”➕
“Power robbing garbage.”➕
Dorman intake is perceived as low quality
“I agree they are junk though.”➕

Compare On All Talked About Dimensions

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BUSIDN Intake Manifold Assembly for VW and Audi ModelsBUSIDN Intake Manifold Assembly for VW and Audi Models$68
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Edelbrock 2104 Performer Intake ManifoldEdelbrock 2104 Performer Intake Manifold$329
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A-Premium Intake Manifold for Toyota Prius 2010-2015A-Premium Intake Manifold for Toyota Prius 2010-2015$128
2.6
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TRQ Upper Engine Intake Manifold AssemblyTRQ Upper Engine Intake Manifold Assembly$74
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FORRIE Upper Intake Manifold for Audi VW 2.0L Gas EnginesFORRIE Upper Intake Manifold for Audi VW 2.0L Gas Engines$90
2.1
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EVERESTWAY 4884495AK Intake ManifoldEVERESTWAY 4884495AK Intake Manifold$125
1.8
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Dorman 615-175 Engine Intake ManifoldDorman 615-175 Engine Intake Manifold$191
1.5
DetailsBuy

Core Power Plays

The specs and strengths that make it shine.
Call for Dorman to manufacture more intake manifolds for 2.3L Rangers
“I think we should petition Dorman to manufacture more intake manifolds for 2.3L Rangers!”➕
“Who else is rocking the infamous Dorman intake manifold? 🤣”➕
Speculation about the new Ford intake manifold
“This might actually be a new manifold and not a rebrand.”➕
“According to this it was a different one.”➕
Speculation about the impact of temperature on manifold performance
“I think you're right on the temperature being a big part of the problem.”➕
Discussion on alternative intake options
“Aluminum intakes manifolds??”➕
“only one ive seen new is the edelbrock now.”➕
“Well, that’s a very good alternative.”➕

Hidden Hero Hacks

Unexpected tricks and side‑door uses you’ll love.
Recommendation for alternative installation options
“Cost savings are real, just gotta vet your people.”➕
Discussion about different intake manifolds for LS swaps
“What intake manifold to get and where I’m planning an ls swap into a bmw e30.”➕
“I’m using a LS1 intake and fuel rails, ICT low mount alternator bracket, 2010+ camaro water pump.”➕
“I got lucky and found a LS1 from a 98 Firebird, so I'm using it complete (-ish...)”➕
“LS6 intake manifold with 98-02 F Body Accessories (E36 M3)”➕

Buyer’s Cheat Sheet

What to check before you click ‘Add to Cart.’
Discussions on maintenance methods like walnut blasting and Sea Foam
“is there a reason why nut blasting is better 😭”➕
“it was nowhere near as bad as yours, even without an OCC.”➕
General chatter about engine care and fuel quality
“The GDI engines are known for carbon build up like this.”➕
“How many KMs/miles, and has the catch can been installed since new?”➕
High labor costs for replacing exhaust manifolds
“I was still pissed. I would not recommend Magnaflow.”➕
“the lowest bid I've gotten to replace them is $6k.”➕
Discussion on potential rebranding and similarities with Dorman products
“so not exactly impressed.”➕
“Fingers crossed this isn't a turd.”➕
Discussion about the availability of OEM parts
“Good luck finding one new, and I 110% wouldn't mess with a used unit.”➕
“is absolutely possible just gonna cost ya upwards of 265$-325$ when you do find it 😂😂😂”➕
Mention of alternative intake manifold options
“The best route, I went trickflow myself, but not everyone has $800+ to drop on an intake manifold.”➕
“Very much good intakes to run as a basic reliability upgrade, even if you have no plans for future mods.”➕
Discussion on alternatives to Dorman and OEM options
“Everyone says doorman’s are terrible but, I can’t really spend $600+ on the ford made part right now.”➕
“Don't be looking for used intakes at a junkyard. How much is your time worth?”➕
“You might be lucky enough to find a used one.”➕
Advice on installation practices for Dorman intakes
“Dorman works. Have thrown 2 into 2 panthers.”➕
“I would avoid the junkyard route.”➕
Discussion about compatibility and alternatives for Dorman intake
“From my understanding the dorman manifold works a lot better in NPI grand Marquis than the PI Ford Crown Vic unless im mistaken.”➕
“This may be a dumb question but are the Ford performance ones street legal?”➕
Discussion on the availability of OEM parts
“I've also considered dorman, but I've heard bad things about dormans reducing horsepower and I want to know if that is really true.”➕
Speculation about aftermarket options compared to OEM
“the ATP model is better than the doorman model.”➕

Cautionary Callouts

Know the pitfalls before they catch you off guard.
Discussion on Dorman intake manifold's reliability
“I designed this dash warning sticker to replace the factory one.”➕
Discussion about faulty check valve issues
“Yes, I fell victim to the faulty check valve like so many others.”➕
“Missing check valve, probably.”➕
Discussion on modifications to compensate for power loss
“If you drive it recreationally a dorman won't be the end of your fun.”➕
“Cost-benefit says that a $400 intake is much cheaper than a rear end & tune, which would run you ~1,000.”➕
“You shouldn't be losing power when swapping an intake manifold, I've never heard of the issue with Dorman.”➕

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