mountune Axle Back Exhaust Focus RS 2016-2017

Regular price $1,399.00

The mountune Axle Back Exhaust for the Ford Focus RS is constructed from ultra thin wall stainless steel that has yielded a typical weight savings of 28% over stock.

CAD designed and optimized for reduction of back pressure to significantly improve performance.  Unlock more performance coupled with the Cobb Accessport and optimized mountune calibration.


  • Lightweight thin wall stainless steel 28% lighter
  • Reduced back pressure
  • User defined audible optimization available via mTune
  • Includes new valve and motor assembly
  • CAD designed


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