Upper downpipe for the Mazdaspeed 3(fites 2007 through 2010, 3" stainless, cat delete pipe. High flow and full 3" throughout. Deletes the restrictive doughnut gasket found in many other designs and promotes full 3" flow throughout. All CNC machined flanges, 304 stainless tubing featuring TIG welded construction. Fully built in the USA.
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