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Beef up Your BMW with Better Sound and Better Power!

Posted on 29 April 2015

The MAP 3" Downpipes for 2007-2011 BMW 135i & 335i

Click here to Purchase Your Own! [caption id="attachment_13593" align="aligncenter" width="625"]DSC_1536 Click the Image to Check Them Out[/caption]

The MAPerformance catless N54 downpipes feature TIG welded, 304 stainless steel construction and a 3-inch design.

We have seen power gains in excess of 25whp and 30wtq with tuning. Coming in at an excellent price point.. you will be hard pressed to find a better $/hp ratio when it comes to the N54 platform.

These Beautiful Downpipes Feature:

  • Full 3" design throughout
  • Direct, bolt on replacement
  • Mandrel bent 304 stainless steel
  • TIG welded
  • Feature Integrated wideband o2 bungs
  • Come in an Optional advanced black ceramic coating.
  • Not only will you see Gains up to 25whp and 30wtq
  • But you will also see Improved spool characteristics
  • More aggressive exhaust note
  • Have the ability to Monitor Air/Fuel ratios without additional modification.

Everything you need is included, two downpipes (both passenger and drivers side), O2 sensor plugs for wideband bungs, and 2 two bolt gaskets with applicable hardware.

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