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Performance M

Milltek Sport HJS 300-Cell ECE Type-Approved Catted Downpipe/Sports Catalytic Converter for BMW M2 F87 N55 (2016+) - High-Flow Turbo Downpipe & Front Pipe, T304 Stainless UK Made, Direct Bolt-On to OEM or Milltek Cat-Back, Road-Legal Performance Catalyst

Milltek Sport HJS 300-Cell ECE Type-Approved Catted Downpipe/Sports Catalytic Converter for BMW M2 F87 N55 (2016+) - High-Flow Turbo Downpipe & Front Pipe, T304 Stainless UK Made, Direct Bolt-On to OEM or Milltek Cat-Back, Road-Legal Performance Catalyst

£1,813.48
£1,813.48
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Heads-up on cancellations & returns: if you cancel an order or return an item, you won't get back 100% of what you paid. We apply a 10% restocking fee, the outbound shipping is non-refundable, and we have to pass on Shopify / PayPal payment processing fees; these aren't returned to us when we refund you. International orders also lose on exchange-rate spread in both directions. If the original packaging is damaged or missing, a reboxing charge applies. For international orders specifically, if you refuse to pay our shipping invoice or supply a prepaid label after placing the order, the same deductions apply. We're upfront about this — please be sure of your purchase before ordering.

Milltek HJS Type-Approved Catted Down Pipe for BMW M2 F87 N55

Unlock genuine OEM plus performance and sound from your BMW M2 with this premium catted down pipe featuring an HJS metal substrate catalyst. Hand built in Britain from aerospace grade stainless steel, it is the ideal high-flow replacement for the restrictive factory converter on the F87 N55 turbo engine. Expect quicker turbo response, a deeper tone and superb drivability while retaining type approval for road use in applicable regions.

Why enthusiasts choose this upgrade

  • HJS metal core sports catalyst with 300 cell density for freer exhaust flow and smooth throttle response
  • Crafted from high grade, non magnetic stainless steel with precision mandrel bends for consistent gas velocity
  • Direct bolt-on fitment to the original system and compatible performance cat-back exhausts
  • Refined soundtrack with no unwanted drone when cruising and a crisp, sporty note under load
  • OEM quality construction with correctly positioned O2 sensor ports and factory style mounting points
  • Corrosion resistant and hand finished in the UK for long term durability

Real world results

We have installed this exact catted down pipe on customer M2s and the feedback is consistently excellent. Owners report sharper spool, improved mid range urgency and a more engaging exhaust character, all while keeping daily comfort and usability.

Compatibility

  • BMW M2 F87 Coupe with N55 engine 2016 onwards
  • Replaces the factory catalytic converter and front pipe section
  • Works with the standard rear exhaust and popular performance cat-back systems
  • If you own an M2 Competition or CS, please contact us to confirm the correct application

Fitting service

Professional installation recommended. For expert fitting, choose MJ Modifications in Warwickshire. Request a quote at info@mjmodifications.co.uk.

Notes

  • Type approval relates to road use in applicable regions. Always check local regulations for compliance.
  • No cutting or welding required when installed as intended.

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