G8x BMW M3/M4 8 Piece Carbon Fiber Diffuser Add optional rear bumper carbon fiber trim pieces?:No Stage 1 91 octane: 25%HP

Stage 1 91 octane: 25%HP / 30%TQ

our cooling plate undergoes a meticulous manufacturing process

• Precision CNC Machined from Solid Blocks of High Grade Aluminum

and 3rd can be controlled via the JB4 app for a perfect launch• Compatible with JB4 Mobile for smartphone logging

G8x BMW M3/M4 8 Piece Carbon Fiber Diffuser Add optional rear bumper carbon fiber trim pieces?:No Stage 1 91 octane: 25%HPThis aggressive 8 piece carbon fiber diffuser set for the G8x M3 M4 includes a complete undertray that seamlessly connects with the upper diffuser to enhance aerodynamics. Crafted from 100% dry carbon fiber and coated with a high gloss, UV resistant finish, it ensures lasting strength and a striking appearance. Optional carbon fiber rear bumper trim (replaces the gloss black lower rear bumper trim pieces, see last photo for reference) Fits: 2021+ G80