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๐Ÿš— dorman 674-247 high-performance exhaust manifold for mazda models - enhance your mazda's performance! logo

๐Ÿš— Dorman 674-247 High-Performance Exhaust Manifold for Mazda Models - Enhance Your Mazda's Performance! Review

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Poor

Revainrating 2.5 out of 5ย ย 
Ratingย 
2.3
๐ŸŒซ๏ธ Exhaust & Emissions, ๐Ÿ› ๏ธ Replacement Parts

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Description of ๐Ÿš— Dorman 674-247 High-Performance Exhaust Manifold for Mazda Models - Enhance Your Mazda's Performance!

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 3
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Type of review

Revainrating 3 out of 5

Exhaust Manifold in Manifolds

Not sure if everyone will have this, but the base of this manifold is a bit thicker than the stock part. Everything else worked fine.

Pros
  • Replacement Parts
Cons
  • Some Bugs

Revainrating 2 out of 5

DOA. Cracked parts

Looks like the correct part, came with all parts and seals but has cracks. Send this one back and order a new one, hoping the next one doesn't break. I'm not sure if it's due to poor manufacturing or poor shipping.

Pros
  • Manifold and parts
Cons
  • Many parts

Revainrating 2 out of 5

It took a lot of work and new seals for a new part.

Arrived damaged. Not damaged enough to justify a return, but one is enough for me to regrind the manifold mounting surface and buy 2 new gaskets for it. With metal shims it is imperative that they are straight and correct, any kinks can break the fit which can allow air to enter the system ahead of the O2 sensor causing it to code and the check engine light to illuminate. The seal between the collector and the downpipe was particularly bent, basically unusable. There were chips and cuts on theโ€ฆ

Pros
  • Automobile
Cons
  • Negative impression