GrimmSpeed Equal Length Exhaust Header for 2022+ VB Subaru WRX (GRM113401) Coilovers Previously STMKIT-DSM-UHSB

Previously STMKIT-DSM-UHSB

Ditch the dainty OEM plastic charge pipe for an all new ETS stainless steel charge pipe

080" 5 C4243-092 93mm

Plastic is prone to failure after years of constant temperature variations

GrimmSpeed Equal Length Exhaust Header for 2022+ VB Subaru WRX (GRM113401) Coilovers Previously STMKIT-DSM-UHSBThe GrimmSpeed 2022+ WRX Equal Length Header is a high performance, durable upgrade over the OEM exhaust manifold, specifically designed to enhance the Subaru FA24 WRX twin scroll setup. Its CNC bent, single piece runners eliminate weld points for uninterrupted flow, ensuring true equal length performance and better fitment between the skid plate and oil pan. The 304 stainless steel cast collector optimizes runner spacing, while 1 2 inch thick CNC cut