From highflowfuel.com. I sold a ton of these before I closed down my shop.
$63 shipped
I also have a Deatsch Werks 320lph pump with install kit for sale. Normally like $150.
$110 shipped
Two stainless downpipes with flex
$35 + shipping each
TOG stainless 304 downpipe with interlocking flex
$50 + shipping
The reducer is a stainless 304 pipe with multiple sizes reducing/expanding. It is off of an expensive airbag system from a Mercedes that I bought from someone a while back to cut up and use as reducers.
$28 shipped
I will trade any of the above for a ZZP full 3" bolt in downpipe for a vehicle with stock rear manifold and stock exhaust. Im going to Japan soon which means all this stuff will be in storage otherwise. Do it for your country!