22- GM P/U 1500 ZR2/AT4X 6.2L Cat Back Exhaust Lug Bolts the M340i comes with a

the M340i comes with a dry and lifeless air box housing a basic panel filter that is also accompanied by an intake resonator whose job it is to eliminate turbo/intake noises

Heat is the enemy of performance

- 20% increase in spring stiffness in front and rear

This insulating characteristic and rapid cooling after hard acceleration reduce heat in the air intake tract when compared to air intakes constructed of aluminum or other metals

optimizing performance under varying driving conditions

22- GM P/U 1500 ZR2/AT4X 6.2L Cat Back Exhaust Lug Bolts the M340i comes with aExhaust System S Type Cat Back 2. 5 in Diameter 2. 75 in Tailpipes Stainless Natural GM Fullsize Truck 2022 Kit