Joe...

It's not just the restrictor itself...it's the clean implementation of it along with filtration/HFM/etc. into our intake tract.

Our space is severely limited with twists and turns from the OE intake position to the TB.

If we didn't need filtration it would be SIMPLE to implement the SIR...but...we do...so...it ain't.
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Indeed. A turnkey solution would be really cool, since I'm just a driver and not a race engineer.

The Raetech part looks like it's about 6.9 inches overall, though I suppose I'll eat about 0.75 inches on either end by inserting that into the hose. I guess I can get a couple of short sections of silicone tubing to get everything hooked-up, and put the SIR between my cone air filter and the MAF.

Is the part aluminum? Or hard rubber?