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Milltek BMW N55 Rear Silencer F20 F21 M135i


  • £642.24
    exc. VAT £535.20


Miltek Sport Exhaust systems - Over 20 years of continuous exhaust development and technical expertise are drawn upon to develop the ultimate Milltek Sport Exhaust System.Whether it be a Cat Back Exhaust or a Full Turbo Back System they are feature the best in Stainless Steel technology available.

Milltek Sport exhausts are produced in high quality type 304 aircraft grade stainless steel. This material is anti-magnetic (other manufacturers stainless steel may not be)and is less susceptible to discolouration. This quality of stainless steel is used on all pipework and the total construction of the silencer. Mandrel bending ensures full flow bends for better gas flow and Milltek systems are increased in bore to ensure ultimate performance without the loss of mid range torque.



  • Transforms performance and driveability
  • Sharper throttle response
  • Substantial weight saving over original equipment systems
  • Precision, quality controlled manufacture to ISO 9001 standards
  • Highest quality aircraft-grade stainless steel
  • Low pressure systems for maximum performance - with no loss of low end torque
  • Responsibly developed and engineered.
  • Designed and manufactured in the UK
  • Pipe Ø: 3.00" (76.20mm)
  • Twin 90mm GT90 Tailpipe Style



BMW 1 Series M135i 3 & 5 Door (F21 & F20)


Free UK Delivery

UK Stock! We aim to deliver your order within 1-3 working days on all in stock order. We also offer worldwide shipping, simply enter your full address including postal code during check out for shipping quote.



Milltek Two Year Warranty


Manufactured by



Part Numbers

SSXBM958 (Road Cerakote Black tips)

SSXBM957 (Road Polished tips)

SSXBM1025 (Road Titanium tips)

SSXBM960 (Race Cerakote Black tips)

SSXBM959 (Race Polished tips)

SSXBM1026 (Race Titanium tips)

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