Genxer
Well-Known Member
Probably right. I did that with the cat on a 4 banger car I have. The brick was rattling so I took it out, and initially left it a big chamber. The car had an annoying whoosh. Put an internal pipe like the muffler in this thread and cleared that right up. More responsive too.Good call on putting the flex pipe in there. Leaving the muffler open would echo and sound like ass. Kinda like hollowing out cats, it sounds terrible.
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