Harris speedworks nitrous interface
 

selling my harris speedworks the interface. for cars/trucks with ls1,ls6,ls2,ls7 maf sensors..bought it brand new and never used it.

asking $100 shipped

What exactly does this box do?

Its used to pull timing so you if you want to run nitrous or boost

for a wet kit? and is this better than a inc-2000

it can be used for a wet or a dry kit. it does the same thing just in a different way. and its alot cheaper

sold!