Does installing a downpipe need tuning?
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From: Westchester, NY
Does installing a downpipe need tuning?
I'm wondering if I would need a tune after installing a downpipe/test pipe and removing cats on a 2010 RA. I'm coming from the WRX world where the 02-03 didn't need tuning whereas the 04+ did due to fuel cycling issues. Thanks for you help.
Last edited by ever12; Sep 24, 2011 at 04:08 PM.
Better use the search function...
To be safe yes you need one. But it might be fine. I have GST Basemap + test pipe and it's fine. I monitored my boost, AFR and knock and every seams in order. With the stock map, I don't know...
To be safe yes you need one. But it might be fine. I have GST Basemap + test pipe and it's fine. I monitored my boost, AFR and knock and every seams in order. With the stock map, I don't know...
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