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DESCRIPTION GrimmSpeed believes that there has not been any major changes to the unequal exhaust manifold in some time, and this is due to the tigh...

The 2025 redesign of our PLM Power Driven Turbo Header now features premium 304 stainless steel and a 2-piece clamp-on design for enhanced adjustab...

PLM Private Label Mfg. Power Driven Subaru Impreza WRX Header 2015 - 2020 Equal Length Header with EWG External Wastegate ( Turbo Manifold ) By ch...

DESCRIPTION The GrimmSpeed Equal Length Header has been designed to provide the turbocharger with an uninterrupted flow of exhaust gases to greatly...

PLM Subaru WRX & STi EJ EJ25 Equal Length Header Newly released - Oct. 2021! Guarantee the best value and will be the best selling EJ-series he...

DESCRIPTION Introducing the 2022 Subaru WRX FA24 Stock Replacement Manifold from PLM.  Elevate your driving experience with our high-performance ma...