Beef up Your BMW with Better Sound and Better Power!
Posted on 29 April 2015
The MAP 3" Downpipes for 2007-2011 BMW 135i & 335iClick here to Purchase Your Own! [caption id="attachment_13593" align="aligncenter" width="625"] 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.