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The MagnaFlow Street Series cat-back for 2007–2009 Mazda3 (2.0L/2.3L) replaces the exhaust from the catalytic converter back to deliver a resonant, sporty tone and improved flow. It uses mandrel-bent 2.25in main piping, two straight-through mufflers and a single driver-side rear exit with 4in polished double-wall tips. CNC-made for direct-fit installation and backed by a 1-year finish and limited lifetime construction warranty.
MagnaFlow Sys C/B 07 Mazda inch3inch 2.0/2.3L I-4
