CTS Turbo BMW 135i/335i N54 CAST 2.5" Downpipe Set (RWD only)

Free up serious flow on your N54 with the CTS Turbo BMW 135i/335i CAST Downpipe Set (RWD only). Made from 2.5" T304 stainless steel, these cast downpipes flow far better than the restrictive OEM pipes, sharpening throttle response, adding power and improving the engine note. A wideband oxygen sensor bung is included on each pipe.

Product details

• Stainless steel cast downpipe inlet elbow
• 2.5" mandrel-bent stainless steel pipes
• T304 stainless steel flanges
• T304 stainless steel O2 bungs
• 100% TIG welded by hand
• Great sound

Fitment (LHD models only)

• 2007-2010 E90/E91/E92/E93 BMW 335i N54
• 2011-2013 E92 BMW 335is N54
• 2008-2010 E82/E88 BMW 135i N54
• 2011-2012 E82/E88 BMW 1M N54

Stage 2 software is required to avoid a check engine light. Race use only, not for use on public highways. These downpipes do not fit XI models with the AWD drivetrain and do not fit RHD models.

Emissions disclaimer: This product is not legal for sale or use on pollution-controlled vehicles operated on public roads and is intended for off-road, race, or closed-course competition use only. You are responsible for compliance with all applicable emissions laws; use on public roads may violate the Federal Clean Air Act (42 U.S.C. § 7522) and similar state laws. Please check your local laws before purchase and installation.

Ships from our Vancouver shop — KORE SPEED is proudly Canadian-owned, with no surprise cross-border duties for Canadian buyers. Questions on fitment? Email support@korespeed.com.