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Larger ports are of no value when shifting at 2000-3000RPM. When you floor it, the large ports come in to play. Porting will simply move your torque/HP peaks to a higher RPM...exactly what you don't need.
As for an Extrude Hone...just adding up the prices on the website it would cost $1755. for an intake, head, and exhaust manifold port. Your car could travel 70,000+ miles for the cost of the hone. The process would enlarge ports that Honda intentionally made small in their efficient design.
What good is a 10" pipe if you only need water hose volume? Instead of water forcefully exiting a hose you would have water falling out of the oversized pipe.
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