01-13-2009, 08:12 AM
Spinal,Jan 10 2009, 11:25 PM Wrote:i heard the F2 header is better because its got smaller primaries compared to the OBX. any clarification on this?
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ya it is a torque step header so the primaries are smaller to start off with and with the theory behind it, suppose to keep low end torque higher, personally i prefer the upper range with my obx. it all depends on your prefence and price point.
2007 ZX4 2.0l unaturally aspirated
FSwerks stage 2 Turbo kit, Cosworth Intake Manifold, 3" custom HKS turbo back
regular stage 2 @10ps : 232whp/219wtq
stage 2 plus @ 13psi: 278whp/229wtq
Stage 2 plus @15psi: 296whp/240wtq
2013 Focus ST Tuxedo Black - The daily
FSwerks stage 2 Turbo kit, Cosworth Intake Manifold, 3" custom HKS turbo back
regular stage 2 @10ps : 232whp/219wtq
stage 2 plus @ 13psi: 278whp/229wtq
Stage 2 plus @15psi: 296whp/240wtq
2013 Focus ST Tuxedo Black - The daily