M Performance Muffler for 2103 BMW 335i xdrive Sportline

BMW 3 series N55
F30 (2013+)
M Performance Axle Back

August 6, 2016

Very pleased with the M Performance muffler on our 2013 335i.  Saved approximately $500 compared to list price by buying the parts online.  Dealer charged $200 to install.   Great tone particularly in sport mode under heavy acceleration.  The exhaust modification in combination with the M Performance Power Kit has dramatically transformed throttle response and acceleration.  I am guessing that the combination is worth a gain of 35-40 horsepower.  Does anyone know for certain?

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