BMW B58 Super 5" CERAMIC COATED Sports Cat Downpipe (F Series M140i, M240i, 340i & 440i)

SLN Performance

BMW B58 Super 5" CERAMIC COATED Sports Cat Downpipe (F Series M140i, M240i, 340i & 440i)

Sale price£495.00GBP
SKU: SLN_B58_SC_C

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Unlock the full potential of your BMW B58 engine with the Super 5" Ceramic Coated Sports Cat Downpipe – engineered for F Series models including the M140i, M240i, 340i, and 440i. This premium downpipe features a massive 5" construction for maximum exhaust flow, improved turbo response, and enhanced performance, all while maintaining emissions compliance with a high-flow 200-cell sports catalyst.

The advanced ceramic coating not only offers a sleek, heat-resistant finish but also significantly reduces under-bonnet temperatures for improved thermal efficiency. Precision-built for a direct fit, this high-quality upgrade is perfect for drivers seeking reliable power gains without compromising durability or daily drivability.


Key Features:

  • Large-bore 5" diameter for optimal exhaust flow
  • High-flow 200-cell sports catalytic converter
  • Heat-resistant ceramic coating for improved thermal efficiency
  • Enhanced turbo spool and throttle response
  • TIG-welded for strength and longevity
  • Direct-fit design for straightforward installation
  • Maintains emissions compliance for road use

Compatibility:

Fits BMW F Series models with the B58 Gen1 engine, including:

  • BMW F20 M140i
  • BMW F21 M140i
  • BMW F22 M240i
  • BMW F30 340i
  • BMW F31 340i
  • BMW F32 440i
  • BMW F33 440i
  • BMW F36 440i Gran Coupe

Ideal for tuned or performance-oriented setups, this downpipe is a must-have upgrade for drivers looking to extract more power and sound from their B58-powered BMW.

PLEASE NOTE

  • Orders with both in-stock and backorder or out-of-stock products will be dispatched once all products are available to ship together.
  • Contact our sales team if you want your parts fitted to your vehicle at our London workshop.
  • Shipping estimates are based on courier delivery times and don't include time to despatch from our warehouse.