ApplicationCompatible for BMW E90/E91/E92/E93 N54B30 motors 2007-2010 compatible for BMW N54 E90/E91/E92/E93/E82/135i/335i Twin Turbo(except 2009 compatible for BMW 335i Base Coupe 2-Door 3.0L,2007 compatible for BMW 335i ) Note: Fits both RHD and LHD, does not fit XI models. For Exact Years and Models, Please CheckSpecificationsDownpipe diameter : 3\" 3inch Package Included: As Pictures ShownFeatureCondition: 100% Brand new Warranty: one year Installation notice：Direct fit bolt on, no modification needed, to ensure the correct fitment, we highly recommend you find a professtional mechanic to help you install it.Product FunctionDesigned to improve power and torque across the entire RPM range Noticeably improves throttle response One of the most cost effective ways of releasing power from your car With this Down Pipe between the turbocharger and the exhaust system, it could Increase both power and acceleration, the turbocharger can work better more efficiently and the exhaust gas temperature decreases significantly. achieve a significantly increased engine power and a higher torque. you can achieve a distinctive exhaust sound.Noticeable performance increase