For one thing 'look[ing] like trash' is a matter of build quality. Do you attend car shows and/or show-and-shines? Most people can't discern a quality build.
Beyond that you have here people sharing what they have done to the best of their ability. Maybe you are looking for Instructables?
Quote:
Instructables
instructables.com
Instructables is a website specializing in user-created and uploaded do-it-yourself projects, currently owned by Autodesk. It was created by Eric Wilhelm and Saul Griffith and launched in August 2005. Instructables is dedicated to step-by-step collaboration among members to build a variety of projects.Wikipedia
|
Have you looked at the Wiki?
https://ecomodder.com/wiki/
edit: I looked at Instructables, and did a search on 'car airdam' which returned the null result. But there is section called
www.instructables.com/workshop/cars/projects/ and they have ferinstance an Instructable on a smoke machine, in case you want to ro smoke trail testing.