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Dorman 674-170 Exhaust Manifold: Perfect Fit for Selected Jeep Models Review

4

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Terrible

Revainrating 1.5 out of 5  
Rating 
1.3
🌫️ Exhaust & Emissions, 🛠️ Replacement Parts

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Description of Dorman 674-170 Exhaust Manifold: Perfect Fit for Selected Jeep Models

Ideal replacement - this exhaust manifold was precision-engineered and durably manufactured to match the fit and function of the stock manifold on specified vehicles. Reliable construction - durable materials resist warping, cracking and leaking for long-lasting performance. Complete repair - includes all necessary gaskets and downpipe hardware. Trustworthy design - built by industry leader in aftermarket manifolds. Ensure fit - to make sure this part fits your exact vehicle, input your make, model and trim level into the garage tool.

Reviews

Global ratings 4
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  • 4
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Type of review

Revainrating 1 out of 5

Not the cleanest welds, though.

Put this exhaust manifold on my '87 Jeep Comanche. It fits well and seems to work well. The welds are a little rough and time will tell how long they last but for the price and fit. I am happy.

Pros
  • Automotive
Cons
  • Modern

Revainrating 2 out of 5

WILL NOT FIT good for Manifold and Manifold Parts

1989 Jeep Cherokee XJ After spending 6 hours removing the old manifold this one does not fit. Cylinder #6 is 1.5 inches longer, preventing the intake manifold from being bolted to the engine. Compared to an OEM part, it's obvious that it doesn't look the same as "direct replacement" and "exact fit". Those are not the words I would use to describe a product.

Cons
  • Almost OK

Revainrating 1 out of 5

OE Fit NO!: Manifold

This exhaust manifold is considered a direct replacement for the factory manifold. Well, that's not true at all. It matches the screw holes, but that's about it. The EGR tube is now about an inch out. The exhaust port is also slightly offset, allowing the exhaust pipe to meet the pump bell. I have no way of making a new EGR tube. It's not flexible enough to bend. Stay away from Dorman if all you want is a headache.

Pros
  • Manifold & Parts
Cons
  • Clarity

Revainrating 1 out of 5

Note that I received a Hermoff branded part.

For reference only, I have the Hermoff branded part not Dorman shown in this picture, outlet for cylinder #6 went too far into the down tube and I had to find a way to cut it , bolt holes because the #1 exhaust port was misaligned so I had to drill it out with a file so I could install it, the EGR tube was also far out and I had to bend mine to make it work, the donut flange gasket was also not included if you order this dorman pipe and get a hermoff exhaust manifold you should expect problems,

Pros
  • Replacement parts
Cons
  • Hard to tell