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Review on Dorman 03413B Exhaust Manifold Hardware Kit: Fit Select Models with Precision by Christian Byrd

Revainrating 5 out of 5

Great product at a great price

I was able to replace this 1 for 1 on my GMC Sierra Denali 1500 2015 5.3L. Most often they break when trying to replace. My suggestion: make sure the engine is warm, slowly wear out the old ones and change them one by one. (Note) I also only had 70,000 miles and the sooner the change the better as this is a common problem with OEM mounts prior to this year. Also use medium Loctite when installing. 18 ft lbs of torque on LS1

Pros
  • Impressive
Cons
  • Great price