Exhaust Repair Guidelines : EPA Fact sheet

Titanium racing exhaust on the Automotiveforums.com R34 GT-R

This EPA exhaust repair guideline is from 1991, but many people do not understand what it says or even how it may effect them. Like many things in life you don't have to like or agree with something, but understanding it will allow you to answer questions correctly when asked.  Understand what the Clean Air Act is. Understand how it effects vehicles.

You may not have emissions testing where you live, you may not have a smog test, however the EPA is a Federal agency, and is over your state as long as you are in the USA.   My State Doesn't Have Emissions