Rock Tamers Heat Shield or Outlet Vent for 2021 GMC Sierra 1500 3.0 Diesel

Updated 05/31/2023 | Published 05/30/2023

Products Featured in This Question

Exhaust Outlets for Rock Tamers Mud Flaps - Qty 2

(9)

$40.23

Heat Shield for Rock Tamers Mud Flaps - Heavy Duty - Stainless Steel - Qty 1

(57)

$35.94

Question:

I have a 2021 GMC Sierra 1500 3.0 Diesel with dual exhaust. Debating about whether to get the heat shied or the exhaust outlet. Which would you recommend? What is a good distance away from the exhaust to use the heat shield?

asked by: Jen

Expert Reply:

Diesel exhaust is much hotter than gas exhausts so while the outlet kit part # ERT200 is pretty clever I would recommend going with a heat shield instead with part # RT76FR. There isn't an exact distance that's recommended between the exhaust and the heat shield. In order or the vent to work the exhaust would have to be pretty close to where the mud flap is and it would need to point straight back which I don't believe is the case for your 2021 GMC Sierra 1500 diesel.

expert reply by: Jameson C