F-Series 12-13 135i/335i N55 Catless 4″ Downpipe E82/F30 Single Turbo 3.5″ Inlet


F-Series 12-13 135i/335i N55 Catless 4″ Downpipe

SKU: DP-BMWN5512-3.5" Category:


Circuit Werks latest Satin / Brush Finish 3.5" V-band to 4" turbo downpipe for theBMW F30/E82 N55 motors. This high performance downpipe delivers the perfect balance of pure, race inspired performance, in cab driving comfort and the excitement of exhaust sounds and tone during normal cruising or aggressive hard driving. Hassle free installation. OE style brackets. Factory O2 sensor location.
Fits F30/E82 with the N55 motors from 2012-2013 perfectly with stock turbo or an aftermarket turbo using the stock 3.5" V-Band Clamps. (THIS DOWNPIPE WILL ONLY FIT MODELS WITH A PRODUCTION DATE FROM 2012 TO 7/2013). All made out of Stainless Steel and T.I.G. welded.  If you're unsure which downpipe you need for your car, please contact us and I can verify if it fit ours or not.  Please check out our other listing for all the other BMW turbo downpipes in our ebay store. 

Professional installation might be required but this is a direct bolt-on.  Comes with three 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 converters on your exhaust mid pipes.  Typical gain with a tune is around 20+ hp.


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