BMW 335i Twin Turbo E90 E91 E92 E93 N54 TT Downpipe 3″ inch 07-10


3 inch / 76 mm BMW 335i N54 2007-2010 Twin Turbo Downpipes

SKU: DP-BMWN5407-3" Category:


Circuit Werks latest 3 inch / 76 mm BMW 335i N54 2007-2010 Twin Turbo Motor Downpipes.  Fits all E90/E91/E92/E93 N54B30 motors from 2007-2010 perfectly with stock twin turbos or aftermarket turbos using the stock V-Band Clamps. Worldwide Left Hand Drive vehicles only.  Fits all the 335i Coupes, Convertibles, and Sedans. Will Not fit AWD models but we do offer one for the AWD model. If you're unsure which downpipe you need for your car, please contact us first and we can verify if it fit yours or not.  We have 8-10+ BMW downpipes for all different models.  Please check out our other listing for all the other BMW downpipes in our ebay store: 

Professional installation might be required but this is a direct bolt-on.  Comes with two o2 bungs with plugs, if you do decide not to use them.  Might not pass smog in some States even tho there are secondary catalytic converter on your exhaust mid pipes.  

The most restrictive part of any exhaust system is the catalytic converter.  The stock catalytic converter is meant to filter the flow of the exhaust gases to reduce the amount of harmful gases into the atmosphere.  That is a potential performance restrain.  These downpipes eliminate the stock catalytic converters and reduce exhaust back pressure by maximizing exhaust flow with a 3" diameter design.  This downpipe allows the turbo to spool up a lot faster and also build boost quicker.  The result brings out the vehicle's performance potential by giving it a high free flow exhaust system.


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