Active Autowerke Downpipe - BMW S58 F97/F98 X3M/X4M (11-064)

OVERVIEW

Active Autowerke offers a performance downpipe upgrade specifically engineered for the BMW S58 engine in the F97/F98 X3M and X4M models. Part of the Motorsport Collection, designed for race and off-road use only.

SPECS

• Constructed from TIG welded 304 stainless steel with 1.5mm wall thickness for durability
• Features 3 inch diameter piping to reduce exhaust restriction and improve turbo spool
• Includes stainless flex joints, maintaining a minimum 70mm diameter to match OEM exhaust
• Precision fitment with bolt-on installation
• Manufactured in Miami, Florida

PARTS INCLUDED

• 1x downpipe (catless or catted per selected variant)

TECH RESOURCES

• Minimizes back pressure on the turbocharger using a straightforward design with minimal bends, enhancing turbo spool speed and overall power potential.
• Engineered to balance high performance with drivability in off-road or race applications.
• Part of the Motorsport Collection — designed for race and off-road use only.
• Completes the Active Autowerke X3M/X4M exhaust system — pair with a mid-pipe (Single or Equal Length) and the Valved Rear Axle-Back Exhaust.
• Catalytic converter break-in procedure — Active Cats / GESI catted variants (PDF)

PART NUMBER

• 11-064 (Catless)
• 11-070A (Active Cats)
• 11-070 (Gesi Cats)

VEHICLE APPLICATIONS