440i Style M Performance Rear Diffuser with Tips in Gloss Black For BMW 4 Series G26 Gran Coupe 2021+ SPORT PRE-FACELIFT and Infiniti QX56 is engineered

and Infiniti QX56 is engineered as a true “drop-in fit” replacement

Approximately 10mm less lowering for vehicles equipped with Adaptive M-Sport suspension

AST’s commitment to quality is demonstrated through the use of premium materials and meticulous manufacturing processes

Canards also increase downforce on the vehicle's front end to assist you on track days

440i Style M Performance Rear Diffuser with Tips in Gloss Black For BMW 4 Series G26 Gran Coupe 2021+ SPORT PRE-FACELIFT and Infiniti QX56 is engineeredBMW 4 SERIES G26 GRAN COUPE 2021+ REAR DIFFUSER WITH TIPS GLOSS BLACK Complete rear diffuser for M Performance 440i models Includes Centre Diffuser Portion Two Corner Pieces Black Exhaust Tips Inner support structure Please note this is for the Gran Coupe (G26) Model Will not fit the coupe (G22)