Very nice, looks store bought! I built mine out of 3" polished aluminum IC piping I got off of eBay, and a 3"x12" piece of silicone hose. I bought flanged brass nipples (plumbing department at the hardware store) and I cut them into one of my couplings, used RTV silicone to make sure they sealed. I didn't spend much, maybe $70 total IIRC. I sold it to a friend who put it on his car and then started making copies of it to sell to people. I did 3" the whole way for my VE. Never tried a stepped one with two different diameter pipes, but since that's what hotshot did, that's not a bad idea. If I did it again and could get SS piping cheap enough, I would get some SS tubing and TIG weld the nipples on. If I get to modding the EVO next spring I'll try some new things.
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