Just curious what is out there?You're 15 years late to the party. What was out there is mostly gone now. There is a company in the UK that made recently a supercharger.
Weisco used to, unsure if they still do/big bore possibilities?
TTS makes supercharger TTS Performance SuperchargerSuper/turbo charging?
No aftermarketAfter market or ported heads?
WeiscoShaving heads, or higher compression pistons, to increase compression?
Best air intake;Or just even smaller things to marginally increase power?
P4...but is as rare as a velociraptor