hi,buiders and performance shop,i make this thread because a lot
of people out there make new things with the ability of fabrication
but with out the experience of what is really work for the aplication.

how the long of the exaust manifold affect or help the target in the
spool up or in the hp goal?

which intake is the best for your hp goal or engine specs,some
formulas or tips how to we buy the correct stuff.

this are some ideas of what we need to learn before waste a lot of
money in shiny things that doesnt work,put your personal experience
or your thecnica knowledge to help people like me to know what
is really work,save money and make the right choise,thanks for your
tips