Silicone intake fittings & Cone-style air filter
 

Might be something of value here if you're fabricating an air intake.

90 degree 3.5" x 3.5" 90 degree bend, rib-reinforced silicone rubber. Often see these around $30. $7.49 each shipped. 3 5" inch 90 Degree Elbow Intake Intercooler Rubber Adapter Turbo Hose Silicone | eBay

3.5" silicone rubber straight connector, $5.24 each shipped. 3 5" Straight Silicone Hose Coupler for Intercooler Pipe Intake Turbo Cold Air | eBay

K&N style, 4" inlet, large cone type air filter (not K&N brand), $18.74 each shipped. Fujita F5 400L 4 0" Air Intake Filter Universal Injen aem K N Cold Lincoln RAM | eBay

No knowledge of, or affiliation with seller except I bought some yesterday and they shipped today.

Nice! Just so happens I am bidding on parts to redo my intake now. Along with the million other things to get done in the next 2 weeks!

I received this today. It's really nice quality...probably a $75 piece at regular retail.

This new bargain section of the forum is going to be the death of me......I am a long way away from needing to put together an intake, but as of this thread I now have two elbows and two straight pieces coming my way.......