SS Autochrome o2 housing/stock downpipe
Feb 2, 2006, 06:59 PM
#6
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I was told that you should always upgrade the exhaust backwards. start at the tip and work toward the turbo, otherwise you will get more flow out of the o2 housing and it will bottleneck up at the downpipe....
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Feb 2, 2006, 09:00 PM
#8
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That doesn't make any sense, either way I would buy a tbe before an 02 housing that still is up in the air as far as gains go. No real track trap speeds for proof.
Feb 3, 2006, 11:02 PM
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If you think about it though, if you upgrade AFTER the turbo, you'll get quicker spool up because of the larger diameter AND the heat being kept in a lot of the ceramically coated DP/O2 housings. . .which only improves gas velocity, which will then funnel into the IP pipe, which will lose you some horse power, which could be rekindled with a nice straight through muffler. . .
So starting from cat back or O2/DP should give you same results. . .but we know a full TBE is the best of both (may not be so nice on your ears though!)
So starting from cat back or O2/DP should give you same results. . .but we know a full TBE is the best of both (may not be so nice on your ears though!)
Feb 4, 2006, 05:11 PM
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yes it works...but stay away from their cheap crap downpipes...i had one on my GTI and it had one of the worst welding seems i have ever seen...surely enough after about 70000 miles it cracked
Feb 4, 2006, 05:18 PM
#12
Originally Posted by shivaswrath
If you think about it though, if you upgrade AFTER the turbo, you'll get quicker spool up because of the larger diameter AND the heat being kept in a lot of the ceramically coated DP/O2 housings. . .which only improves gas velocity, which will then funnel into the IP pipe, which will lose you some horse power, which could be rekindled with a nice straight through muffler. . .
So starting from cat back or O2/DP should give you same results. . .but we know a full TBE is the best of both (may not be so nice on your ears though!)
So starting from cat back or O2/DP should give you same results. . .but we know a full TBE is the best of both (may not be so nice on your ears though!)
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