2013-2017 Dodge Viper Coupe, TA and ACR Headers2013 2017 Dodge Viper coupe, TA and ACR headers. There are multiple options from headers only, headers with mids or full system headers to tips. These parts are made to order, please allow 6 8 weeks for your order to arrive. Header Features: Dyno tuned and track tested long tube Tri Y Headers. Laser cut 5 16 header plates. Mandrel bent 1 3 4 port matched D ported equal length primary tubes. Primary tubes constructed of aluminized tubing run 50% cooler