I think you need a bigger air filter
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E30 M3 S54 Swap Complete! Lots of details..
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The reason I am asking is because originally on mine I fitted the muffler from a S50 B32. I wanted to be as close to BMW (sound & looks) as possible but on the dyno we found out that the muffler was "chocking" the engine so I had a custom one made. Now the engine breaths right but the sound is really loud and I do not like it. Do you have any suggestions?
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The Stromung is nice sounding. It's loud but not obnoxious. I have headers and full 3" single exhaust with a cat and the it hits the muffler with dual pipes. I will try to get a pic and sound clip for you'88 M3.2 S54 Lachssilber/Black
'07 335i Alpine/Black Sedan
'12 X5 3.5i Alpine/Black
iS Splitters For Sale, PM ME!
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I was looking for some inspiration and found this thread though the link for images was broken. I found them on the wayback machine and hosted them here: http://imgur.com/a/oInXx
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Beautiful build man. The S54 is such a beautiful engine. It's too bad it's a whole lot easier to swap an lsx for us Californians. I would rather have this than an ls!IG: Dhithim
2015 Subaru BRZ 380whp
My '87 Project
http://www.r3vlimited.com/board/showthread.php?t=382462
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