When I needed a set of new header pipes, couldn’t find anyone with correct radius bender to make them. Solution was to make two small bends with a straight section, so two backpressure points. Inceased backpressure and it ran and sounded better.

2 thoughts on “Back-pressure

Leave a Reply

Your email address will not be published. Required fields are marked *

This site uses Akismet to reduce spam. Learn how your comment data is processed.