Active Autowerke BMW B58N M340i M440i AFlow Catted Downpipe (2025 and newer)

Active Autowerke BMW B58N M340i M440i AFlow Catted Downpipe (2025 and newer)

Brand: Active Autowerke
SKU: 11-062GA
1999.00 USD In stock Buy at Merchant

This downpipe for BMW M340 and M440 B58N Gen-3 engines incorporates a new GPF and helps improve exhaust gas evacuation.

  • The factory downpipe is quite restrictive, resulting in slower turbo spool.
  • The Active Autowerke downpipe uses 5" diameter stainless steel piping for improved power and durability.
Specifications
Catted DP - option to add gasket
Catted DP w turbo flange gasket
Variants (1)
  • Catted DP w turbo flange gasket — 1999.00 USD — In stock

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