factory exhaust???
#1
factory exhaust???
What size is the factory exhaust on my 94 Z? I want to free up some restriction in the exhaust but right now my budget is real slim. Is the factory exhaust 3 or 2.5 inch? Where is the bigger restriction in the cat or the muffler? I can pull the cat and weld a straight piece of pipe in but my buddy at the muffler shop said its not worth it because the cat is not even restrictive. I can also get a 3" muffler cheap and run a single tail pipe.
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