Plymouth "Flex" 2.7 air intake difference

[B2 Addict]

Wanting to replace my stock airbox for something less restrictive, looking at this http://www.ebay.com/itm/BLACK-BLUE-CHRYSLER-SEBRING-2-7-V6-AIR-INTAKE-2005-2006/220796733708?_trksid=p2047675.m2109&_trkparms=aid=555012&algo=PW.MBE&ao=1&asc=19461&meid=3727879224306298090&pid=100010&prg=8798&rk=3&rkt=15&sd=251165231544&

It says it is not compatible with the Flex fuel version of the engine, and of course, mine is that version. My question is, what is the difference in the Gas version and the Flex version?? By the way, mine is an 06 Sebring Limited 4 door with the 2.7 v6...

 

[adsm08]

It probably screws with the A/F calculations to the point where it won't run properly on E-85.

 

[B2 Addict]

I don't plan on using E85 anyway, so that wouldn't be an issue. I guess if I try it and it don't work, I could always sell it to someone else... I know nothing about this E85 stuff...