Drivetrain Those with aftermarket downpipes...
Right Erik??

LOL.
Yes, which is why i've now resorted to this! =p
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I'm also in need of a downpipe stock. I've been wanting to try to figure out a way to remove some of the cat without throwing any cels for all of us 2011 minis out there that can tune in a catless downpipe. I've been trying to do this mod that mike from Cobb linked me
Not sure if this is possible with US spec DP's but it may be interesting to read none the less.
http://www.minitorque.com/forum/f13/...ownpipe-21643/
http://www.minitorque.com/forum/f13/...ownpipe-21643/
Achilles, there is little to no room for a cutout on the DP itself, it'd likely be post Vband or after the flex pipe if so.
As for you wanting to cut out some of the cells to retain CEL-free, I'm not sure this would be possible. At least, not to gain anything from. Cutting out a group of cells would likely pass through enough gas to throw a CEL, as the O2s are VERY tempermental (no pun intended) lol. If you did get away without a CEL by removing very few cells, it'd mean you're still within OEM parameters, which would mean you're getting minimal to no gain from it.
As for you wanting to cut out some of the cells to retain CEL-free, I'm not sure this would be possible. At least, not to gain anything from. Cutting out a group of cells would likely pass through enough gas to throw a CEL, as the O2s are VERY tempermental (no pun intended) lol. If you did get away without a CEL by removing very few cells, it'd mean you're still within OEM parameters, which would mean you're getting minimal to no gain from it.
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