| Here is what I want to know: Are the holes that connect the header to the cat pipe threaded? If they are, is it ok to not use the threads and just use a nut and bolt to connect the cat pipe? I think SpyhunterTT answered my question though. I'll just drill it out and put a nut and bolt in it. What size of Bolt do I use?
Brock '90 300zx N/A coupe Aspire to convert NA to TT, some day.
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