MBRP Universal T304 SS Dual Tip 3.5in OD/2.5in Inlet Diagnostic In KManager you will need

In KManager you will need to select 'Use alternate AC switch input'

1999-2003 Honda S2000 AP1

but underneath that shell

Enough 10AN (5/8") PCV hose for modified vehicle applications

IE's own in-house developed POWERlink cable gives you the control to unlock your engine’s true potential from your own garage or driveway

MBRP Universal T304 SS Dual Tip 3.5in OD/2.5in Inlet Diagnostic In KManager you will needThe exhaust tip is the crowning touch to your performance exhaust. It is your opportunity to really show off your personal style. That's why MBRP offers such a wide assortment of high quality, bolt on tips, because everybody has their own idea of style. MBRP offers T304 polished stainless, Black coated, Burnt End and Carbon Fiber tip options in various sizes. The tips are universal fit so be sure to measure your tail pipes outside diameter and match