Injen Equal Length Stainless Long Tube Header Pick up some extra power with this Injen equal length long tube header. Made from stainless steel, this header improves exhaust flow with smoother bends and reduced restriction. Each tube is of equal length, balancing exhaust pressure. The part number for this item is SES1230HR and it fits 2013-2016 Scion FR-S + Subaru BRZ 2.0 models.