BMW 428i(X) 430i(X) F32/F33/F36 2012-18 FlowMAXX Stainless Steel Exhaust KitStainless Steel Axle Back Exhaust Compatible With BMW 328i(X) F30 F31 F35 428i(X) F32 F33 F36 L4 2. 0T N20 N26 2012 2013 2014 2015 2016 2017 2018; REQUIRES TO SEAL VACUUM LINE TO THE CONTROL VALVE; Rev9's stainless steel exhaust is a great performance upgrade over the original factory exhaust. Direct bolt on replacement of the rear section after catalytic converter makes it an easy to install upgrade. Constructed of high quality stainless steel pipes

O-ring and C-clamp

Stainless Steel Axle-Back Exhaust Compatible With BMW 328i(X) F30/F31/F35 / 428i(X) F32/F33/F36 L4-2

RS-Series Gen 2 Style Blow Off Valve (BOV) & Rotating Aluminum BOV Flange (Blue)

To open the cutout

Installation requires cutting the factory exhaust near a factory break point

Pipe Size: 2

Universal 50mm V-band clamp blow off valve BOV

Exhaust Tip size : 4"

Fits GT25R

Pipe Size: 2-1/2" Dia

2-bolt style flange (includes an additional flange)

featuring double wall exhaust tip for that elegant sports look