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All M&K Exhaust mufflers
are produced utilizing 321 stainless steel. 321 stainless
steel is used in the aviation industry for it's higher
quality alloys which withstand high heat applications.
M&K Exhaust is the only muffler manufacturer to
offer 321 stainless exhaust systems for Porsche automobiles.
Most other manufacturers use lower quality 304 stainless.
304 is not as durable as 321 in handling the constant
heat cycling exposure produced during the lifetime of
an automobile. 304 is also not as resilient as 321 in
withstanding the acids given off by an internal combustion
engine. If you are looking for the best a lifetime product
can offer, 321 stainless steel must be your choice.
All M&K stainless performance
mufflers are shipped in raw form. Optional finishes
are available at an additional cost.