Quote:
Originally Posted by SikhM4CS
Hello All,
I am new to these modifications. I have a 440i (B58) leased. I was wondering if installing just a midpipe with stock exhaust would increase much HP and sound? Or just go with new exhaust and midpipe together? Has anyone experienced this?
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I deleted both my resonator and mid muffler on my 340i. Noticable sound increase, cheap too.