One of the features of the zr2 is to have exit clearance in the rear with recessed exhaust. Why would you extend it out? Just buy a Denali and move on.
I left mine on and the dealer said it fried the ecm. They wanted $1000. I told them to prove it. They replaced the ecm for free but wouldn't give back the dfm disabler. I bought a new one and had it on me when I showed up to pick up the truck. That's when I saw they installed a silver wheel from...
"The recall indicates inconsistencies in manufacturing tolerances that could cause premature wear or total engine failure. GM is advising that switching to thicker 0W-40 oil offers improved protection under high load and temperature, aligning with specifications seen in performance models like...