CTS Turbo is proud to announce our BMW N54 135i/335i (RWD ONLY) CAST downpipes. \n \nMade from 2.5" T304 stainless steel, these downpipes offer far superior flow compared to the OEM pipes. Increase your throttle response, power and improve the sound of the engine. A wideband oxygen sensor bung is included on each pipe. \n \nProduct Details: \n

\n
• Stainless steel cast downpipe inlet elbow
\n
• 2.5" Mandrel-bent Stainless Steel Pipes
\n
• T304 Stainless Steel Flanges
\n
• T304 Stainless Steel 02 bungs
\n
• 100% TIG Welded by Hand
\n
• Great Sound
\n

\nFitment (LHD models only): \n

\n
• 2007 – 2010 E90/E91/E92/E93 BMW 335i N54 \n2011 – 2013 E92 BMW 335is N54 \n2008 – 2010 E82/E88 BMW 135i N54 \n2011 – 2012 E82/E88 BMW 1M N54
\n

\nStage 2 software is required to avoid check engine light. \n \nRACE USE ONLY, NOT FOR USE ON PUBLIC HIGHWAYS \n \nThese downpipes do not fit XI models with the AWD drivetrain, do not fit RHD models. \n