It has about 600 miles on it. Both sets of couplings come with it. It doesn't have the "no tune" insert so you will need a tune. Works really well. The only reason I am selling it is the predator no longer has support for them and I am in the process of switching CAIs.
If you are interested then shoot me an email:
lplsbf@hotmail.com
$275 firm
I'm in Victorville, CA if you want to arrange to pick it up