I found this on SHOForum, i thought it was really interesting and something worth posting.
This is copied directly from this guys post!
Well here are some pics of my project. It is constructed of 6061 t-6 alumnum. all parts were cut using a milltronics mw-14 mill. It DOES NOT fit under the stock hood, but it bolts up using aLL of the stock hardware and a few vacuum line extensions.
Go to this link to see some other pics. I have some much more detailed ones if anyone is interested.
Pics
The breakdown on cost is as follows:
Eaton m90: $108.25
Material: $91 for 1/2" plate, $34 for 1/4" x 2.5" flat bar, $11 for 1/4" plate scraps
Labor: $100 for welding, because mine don't look as nice as these.
Misc: fittings, stainless bolts, gasket material about $30
As far as tuning goes, i have an LPM that i will have tuned on the dyno. I will machine a spare set of fuel rails for larger, probably 36-42lb, injectors. I will also upgrade to a larger MAF and strap a cone filter to the end if i cannot use the stock air box.
Discuss..