I have a modified hairdryer that substitues the airfilter that provide an increase of 100 horsepower .....
Seriously, the only thing for an NA that will give any good gains will be a REAL supercharger system. Or the other option will be the turbo engine swap.
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2005 Touring Black - Automagic....
H&R Cup Kit | TSW Sakata 18x8 35ET | Nankang NS-II 235/40/18 | SPC front alignment cam - rear shim | OEM Rotors | Akebono Ceramic Pads | Rebuilt Cylinder Head - Safety Valves and Guides | Felpro Head Gasket and upper rebuild kit | Fail-safe 195 degree thermostat | Mopar Waterpump...lol | 3rd radiator fan motor | Gates timing belt kit | WIX filters (oil, transmission) | Mobile 1 5w30 | Mopar ATF4 | Redline Water Wetter | K&N Drop-In