I have an 87 wrangler with a 258, and i stripped off most of the vaccum components. I just installed a new exhaust system including manifold, front pipe, cat converter and muffler. I was wondering if it would pass a Mass Emissions test.
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What vehicles are exempt?
Under the new program, model year 1983 and older vehicles will not require an emissions inspection, and new cars -- based on the original date of purchase -- will not undergo the emissions test for the first two years.
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That came from the Mass.gov emissions FAQ hopeful that helps but, it looks like you gotta save the pieces. or make it look stock. Good Luck