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MagnaFlow Cat-Back Exhaust for 2008-13 BMW 135i/128i [E82]


Quick Overview

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Give your 128i/135i more HP and a beefy exhaust sound with this full magnaflow exhaust system!!!

Sku # : MagnaFlow_Exhaust_System_135i_ER3
Specify Year & Model

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.


  • 2.5" tubing
  • Tru-X crossover pipes
  • Dual 5" round SS polished mufflers
  • 4" SS polished rolled edge double wall tips
  • 100% stainless steel
  • Complete bolt-on
  • 10 HP/15 ft lbs. torque

Sound Clip:


  • 2008-11 BMW 128i [E82/E87/E88] (16525)
  • 2008-10 BMW 135i [E82/E87/E88] (16526)
  • 2011-12 BMW 135i [E82/E87/E88] (15527)


MagnaFlow's BMW Exhaust Systems are make out of pure stainless steel with full mandrel bends (not compression bends, like those done at muffler shops) for maximum flow and a straight through, wide open muffler with NO baffles, NO chambers and NO restrictions. and it designed to be direct bolt up system from the stock OE system and can be installed with simple hand tools. In most cases, can be installed by the average do-it-yourselfer in 30-60 minutes. Each system is guaranteed to fit flawlessly with the highest quality craftsmanship. 

2008-10 BMW 135i (N54)

2008-11 BMW 128i

2011-12 BMW 135i (N55)


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