I've been looking into various brands (Walker, Magnaflow, Flowmaster, etc) and can't really find anything made with stainless steel that matches the dimensions of the factory OEM muffler.
The 300m has a muffler AND a resonator under the rear of the car. The
tail-pipe comes out the resonator (which looks like a muffler but
The original muffler shell measures 18" long, 12" wide and 6" high (oval
I can find some aftermarket stainless mufflers that are 18" long, but
their oval profile seems to be quite a bit smaller (5" by 8" for
For non-stainless types (aluminized) the Walker 21375 seems to be a good
match - but I'd rather replace it with another stainless steel one if I
can find it.
- posted 7 years ago