10-18-2013, 06:04 PM
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#1 (permalink)
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A True Z Fanatic
Join Date: May 2013
Location: Columbus, OH
Posts: 5,051
Drives: 2013 Silver 370z
Rep Power: 3391
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Quote:
Originally Posted by IGoFast1589
The exhaust that rotted was 304 dude. It wasn't a huge hole, but it was big enough to leak. It was an Invidia catless bellmouth downpipe made from 304 stainless steel. 304 definitely doesn't have a super high chromium percentage does it? The exhaust gas temps at the downpipe of a modified STi get pretty damn hot. With constant heating and cooling, tough weather and 2 years it happened. Not making it up... May have a picture somewhere.
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That was my DP. Again 50k, wrapped since day one, 3 ohio winters, mint when it came off. 23psi tapering down to 16psi also, so some serious heat was there.
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