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This exhaust has been designed to cope with the increase in air volume from engines producing an excess of 350Bhp
ensuring you have the same quality Cams as you would see in our race engines
With a Haynes manual
ARP nuts and washers and our custom formulated build lube which utilizes Graphite DJ technology
The Nitron R1 system offers unrivalled performance and value with a design that gives drivers a wide range of effective
Process West Raw Silver Reverse Inlet Manifold - Drive By Wire - WRX / STI 2006 - 2012 Drivetrain_Shifters Parts & Accessories This exhaust has been designedThe Process West range billet manifolds is a no holds barred manifestation of what is possible under the hood of a WRX STI when perfect aesthetics meet high end performance. What you see here is the result of years of research and testing, multiple prototypes and a ground up fully featured design process that makes this a key asset of our product range. Available in two major configurations they feature a full billet plenum with generous billet bell
