thats what I did
I built my own intake pipe last night.
Similar to the BAT intake pipe, except mine is made out of steel.
Its made from exhaust pipe adapters welded together to get the proper length and OD.
Then I drilled holes in the respective locations for the various tubes to hook up to it.
Then over the holes I welded iron NPT pipe coupling adapters and threaded brass barbed hose connectors into them.
I made the rubber connectors to attach it to the MAF and the TB out of, you'll never believe it when I tell you, but I made the one for the pipe to the MAF out of a 3" x 3" Fernco and the one for the pipe to the TB out of a 2" x 2" Fernco. The one for the MAF to the pipe I had to cut in half becasue it was too long. For those of you who don't know, a fernco is a rubber coupling for making a flexible connections between plastic sewage and drain lines. When I get around to it I'll buy the more normal slilicone rubber connectors but until then these will work fine.
It works good so far, I haven't driven it yet other than up and down my driveway a few times.
So far I noticed the induction sound, even at idle is alot louder. Throttle response is improved incredibly. And becasue I had to drill the holes for the hoses to connect to I decided to drill a fairly small hole for the hose that feds the IAC valve. I drilled a 5/16 hole for the IAC valve and the others I drilled to 1/4. With the small hole it reduced the throttle hang.
Today I plan to take it out and see how it works during actual diving.
my only concern though is steel = rust. although I painted the outside I did not paint the inside becasue I was afraid of paint flaking off. The adapters I used to make the pipe are aluminized steel so they should be ok for a while while I search for an alternative treatment.
