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High-Quality ATP Automotive Graywerks 101111 Exhaust Manifold: Maximum Performance Guaranteed Review

3

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Very good

Revainrating 4 out of 5  
Rating 
4.0
🌫️ Exhaust & Emissions, 🛠️ Replacement Parts

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Description of High-Quality ATP Automotive Graywerks 101111 Exhaust Manifold: Maximum Performance Guaranteed

Manufactured to OE design ensuring manifold will line up and flow like the original unit. High grade metallurgy resists fatigue cracking and breakage. Precision machine finished providing smooth installation and leak free performance. Upper and lower flange gaskets along with lower flange hardware are included (Heat shields and plugs are included where needed). Industry Leading Limited Lifetime Warranty.

Reviews

Global ratings 3
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  • 4
    1
  • 3
    1
  • 2
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  • 1
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Type of review

Revainrating 4 out of 5

Clean up trash, walk the other way.

Clean up waste. Probably made in a prison factory. Welding is the most carefree mess I've ever seen. The unit shown in the listing looks fine, but the scrap metal shipped is junk instead. If you rate the picture a ten on a scale of one to ten then you sent me a one and I am very kind. Also, as the listing states, no gaskets or fasteners were included in the kit.

Pros
  • Precision machined for a smooth installation and no leaks.
Cons
  • Useless functions.

Revainrating 5 out of 5

Do not use the gasket supplied

I installed this a few weeks ago and only recently noticed a hissing noise under the hood. After tracing it, I found that the gasket wasn't tight on the center stud. I have a factory service manual and made sure to follow the recommended tightening procedure when installing, so I'm not sure why this could have happened. I remember when I installed it it didn't sit as straight as I would have liked. Otherwise the collector himself was fine.

Pros
  • Industry Best Limited Lifetime Warranty
Cons
  • Questionable Senior Purchase

Revainrating 3 out of 5

Performs well but requires better quality control

Package received on time and in good condition. I was impressed by the absolute weight. I didn't really weigh the head, but it seemed heavier than the cracked original. The welds were so-so, but everything else looked fine. I painted it with VHT paint and proceeded with the installation. After 3 attempts at installation and many curses, I decided to compare the original with the replacement. The holes for the center bolts didn't match. I did everything else but not the center. It was about 1/8…

Pros
  • Includes top and bottom flange gaskets and bottom flange hardware (heat shields and plugs are included if needed)
Cons
  • Long wait