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The MagnaFlow Cat‑Back Exhaust for 2006–2009 Chevrolet Impala (5.3L) replaces the stock system from the catalytic converter back to deliver a resonant, powerful tone and dyno‑proven gains. It uses mandrel‑bent 2.5" main piping, three straight‑through mufflers and a dual split rear exit with 4" polished double‑wall tips. Direct‑fit via 3D scanning and CNC production; backed by a 1‑year finish and limited lifetime construction warranty.
MagnaFlow Sys CB 06- Chevy Impala SS 5.3L V8
