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GrimmSpeed HiFlow Exhaust Manifold Crosspipe Ceramic Coated - 2006-2007 WRX / 2004-2008 FXT

SKU: GRM 002002

What's one of the most overlooked anti-flowing Subaru pieces you ask? The stock exhaust manifold crossover. 50% of your exhaust gases are passing through this tiny pipe and which isn't good. Well here comes the solution for this problem.

Welcome the GrimmSpeed Version 2 Subaru Exhaust Manifold HiFlow Crossover. They've decided to step it up a notch with the first revision of the crossover. Meet HiFlow Crossover v2. Immaculate welds, smooth as butter 2" stainless s. . . Show More >

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