Hello, I'm Danny.
I've attached picture steps below to help aid in the fixing of the heat shield on the exhaust muffler on your GMC truck. Let us know if this helps and get back to us if you have any further questions on this issue. We can send you all other exhaust heat shield instructions or instructions if needed. Hope this helps and thanks again for using 2CarPros.
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Friday, March 19th, 2021 AT 4:40 AM