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Exhaust Piping thickness question


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Hi everyone, I'm doing my own custom exhaust on my sr20 powered 280z, and i was told by the guy at my local welding store to use .090 thickness 3'' piping, but every time i check at the metal yard they never have .090 thickness piping only .060 or .120 thickness. If anything i would go .060 because i think .120'' might be to heavy. do you guys think .060'' would be too thin to use for exhaust piping?

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3" x .063" wall welded steel tubing is kind of normal for most cars. You can save a little weight with .049" wall but its a little more expensive and can crack easier. Summit, SPD, and many other mail order places sell the tubing in 3' lengths and they also sell mandrel bends in various degrees and CLRs.

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Thanks for the tips guys, The owner of the welding shop i go to told me that i need .090'' guess he was wrong lol. heheh well i just picked up some .060'' and im going to finish my exhaust and post some pic's or vid's of my sr20det powered z. its about time i got that bad boy back on the streets:burnout:

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