Mishimoto auxiliary aluminum radiators for 2020+ Toyota GR Supra 3.0L are TIG-welded units with a 1.57 in. thick core that increases core volume by 30 percent compared to the slim stock unit. The updated tube-and-fin core expands external fin area and uses strutted tubes for stability; the pair is sold together and is available in a polished finish.
Mishimoto 2020+ Toyota Supra Aluminum Auxiliary Radiators