Competition Series Catless Downpipes 2021+ M2/M3/M4 S58 Engine Finish:Ceramic Thermal Coating our box enclosure had a

our box enclosure had a big window (open hole) in the back for airflow

Introducing our Turbo Inlet Pipe (TIP) for the 1994-01 Audi A4 (B5)

polished silver

we're proud to introduce our new Sport Dual Side Mount Intercoolers (SMIC)

the majority of the exhaust flow tends to stay on the outer edges of the pipe

Competition Series Catless Downpipes 2021+ M2/M3/M4 S58 Engine Finish:Ceramic Thermal Coating our box enclosure had aIntroducing our new Competition Series Catless Downpipes for your twin turbo S58 engine! Fits 2021+ M3 M4 (G80 82) and 2023+ M2 (G87). Key Features: Made in the USA! Manufactured in house. Available for the 2021+ BMW M3 M4 & 2023+ M2 S58 Engines! Higher Max Horsepower Power Curve Higher Initial Torque. Torque curve hits faster, higher and longer. Better throttle response and faster turbo spool up times Mandrel Bent 3" piping. Smooth transition to the