Sports Series High Flow Catted Downpipes 2021+ M2/M3/M4 S58 Engine 440i Most of our customers with

Most of our customers with the Type III Hard Anodized FMIC comment that unless you know there is a FMIC on the car

OR USE ON LICENSED VEHILES IN THE STATE OF CALIFORNIA

Torque gains of 15 wtq average (stock boost) up to over 20 wtq (Software upgrade) (gains will vary based on modifications of your vehicle)

Having shorter and less bends on the intercooler piping will promote better internal flow

Introducing our Sports Series 4" High Flow Catted Downpipes for your 2016+ X1/X2

Sports Series High Flow Catted Downpipes 2021+ M2/M3/M4 S58 Engine 440i Most of our customers withIntroducing our Sports Series High Flow Catted Downpipes for your twin turbo S58 engine! Fits 2021+ M3 M4 (G80 G82) and 2023+ M2 (G87). Key Features: Made in the USA! Manufactured in house. Now available for the 2021+ BMW M3 M4 & 2023+ M2 S58 Engines! High Flow 200 cell metallic catalytic converter Higher Max Horsepower Power Curve Higher Initial Torque Curve. Torque curve hits faster and higher and longer. Better throttle response and faster turbo