With MagnaFlows New introduction into the European car scene, there is now another large competitor in BMW exhaust systems. MagnaFlow has done years of research and development at their state of the art factory make their new line of BMW Exhaust System one of a kind. They have brought their incredible DEEP rumbling sound from their line of American muscle to the European world. MagnaFlow has created and designed a specialized muffler system to make your inline 6 sound like a mean V-8. It is dyno proven to give your 135i/128i at least 10 horsepower and 15 ft. lbs. of torque. There is no other system out there that meets these precise standards and quality of MagnaFlow.
Construction: 2008-10 BMW 135i (N54) 2008-11 BMW 128i 2011-12 BMW 135i (N55)
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