An attenuator increases the safety of the car by decreasing G-force levels. Team Penske is believed to have filled in a gap to eliminate a slight lip, which can slow the car down. Team Penske's ...
IndyCar and chassis supplier Dallara introduced a new rear attenuator for the 2023 to improve safety and "greater crushability" to reduce the force felt by the driver when the back of the car is hit, ...
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