ApplicationCompatible for BMW Turbo N20 2.0Tcompatible for BMW 328i/ix F30 L4 2.0T N20 2012-2016 compatible for BMW 420i 420xi F32 / F33 L4 2.0T N20 2013-2017 compatible for BMW 428i 428ixF31 / F34 L4 2.0T N20 2014 -2017compatible for BMW 228i 228ixF22 F23 L4 2.0T N20 2014- 2017 compatible for BMW 320i 320xi F30 F31 F34 L4 2.0T N20 2012-2016 ( NOT compatible for BMW 2015 320i Base Sedan)compatible for BMW 520i 2014-2016 528i/ix (F10) N20 2012-2016SpecificationProduct Specific : Downpipe diameter : 4 inch / 102mm 1 X Downpipe Decat PipeCaliber: 62mmFeaturesCondition: 100% Brand new Warranty: one year warranty for any manufacturing defect Material: T304 Stainless Steel 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.NoticeDesigned 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