Description Turbo heat shields retain heat inside the turbine housing, this helps to maintain consistent boost pressure even when pedaling. Turbo heat shields also reduce under-hood temperatures and protect surrounding components from heat damage. Reduces up to 60% of turbo-generated under hood heat. Does not conduct heat to “cold side” like all metal turbo shields. Maintains boost consistency when pedaling. Internal hems are 60% stronger than external hems. Inferno Mat™ remains flexible at 1,800 degrees Fahrenheit. Rated to 1,800 degrees continuous and 2,200 degrees intermittent. These turbocharger heat shields are sold as a pair (one left and one right).  They will fit OEM and modified OEM turbochargers on 2014 through 2019 CTS V-Sports and 2016 through 2019 ATS-Vs.