Quote:
Originally Posted by jjFender
Bumping an old thread but I'm new to my 135i and am looking for exhaust choices. This sounds like an interesting option to try.
But I need to confirm, doesn't closing the holes (big and small) on both pipes inside the muffler essentially deletes the muffler? This "OEM PE" mod is basically a straight pipe setup right?
Am I missing something here?
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Real pe exhaust has one straight pipe and one baffled pipe + deleted resonator. I've had both the pe mod and the actual oe and they sound 90% the same.
Some people are closing both pipes.