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Old 12-15-2004, 06:07 PM   #1
twitchy
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Exhaust install technicalities: Welding

can you weld together 2 bits of piping

(say i have a 2.5" cat outlet and i want it to go to a 2.5" resonator inlet)

rather than expanding one and clamping, can you kind of butt the two up together and weld the seam? Or is it better to expand / clamp?

thanks

Twitchy
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Old 12-15-2004, 06:13 PM   #2
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yes you definitely can
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Old 12-15-2004, 06:22 PM   #3
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but will it hold up and not break or crack or leak or anything...what i mean is is it as effective as clamp and expand?
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Old 12-15-2004, 06:51 PM   #4
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It won't as long as a skilled person welds it. If they weld it, it'll hold very well.
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Old 12-15-2004, 06:52 PM   #5
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More effective...!

A good weld is stronger than the tubing on either side of it.

My whole turbo-back system is butted and welded, and has held up great, even under turbo heat and abuse.

- Brian
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Old 12-15-2004, 06:53 PM   #6
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Use a pipe expander to widen the pipe facing forward towards the engine then slide the other in and weld. http://www.harborfreight.com/cpi/cta...emnumber=37354
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