N54Tuning Line - N54 Catless 3" Downpipes ORDER LINK http://www.n54tuning.com/n54tuning-line-n54-catless-3-downpipes.html Introducing the NEW N54Tuning Performance line of products.. I am happy to announce a new addition to the tuning line. N54 Catless 3" Downpipes. Its taken a while to get these to market, but we wanted to get the perfect affordable pipe out there. We didn't want the low price to compromise on quality and performance so these were designed with several important features 1) Performance 2) Fitment 3) Smooth Tapper from the Full 3" design to the factory exhaust flanges. These pipes come with a lifetime guarantee and lifetime warranty!! Features - Perfect Fit - Made from mandrel bent 3" stainless steel. - Smooth taper and bends to increase airflow through the pipe - Non Ground Welds - Hardware and Gaskets Included - Gains from 25-35hp. Application: - 2007-2010 BMW 335i - 2008-2010 BMW 135i - 2011+ N54 335IS Does not fit X-Drive Vehicles - Does not fit RHD Models CAUTION: This product is intended for OFF ROAD USE ONLY. Not legal for use on pollution controlled vechiles upon public highways.