Milltek Primary Catalyst Replacement Pipes - BMW 135i E82 Coupe and E88 Cabriolet - N55 - 2010 onwards
Unlock the sound and performance your BMW 135i N55 deserves with Milltek Primary Catalyst Replacement Pipes. Precision designed and hand-finished in the UK, these Milltek Sport pipes are manufactured from aerospace grade type 304 non-magnetic stainless steel for exceptional durability, corrosion resistance and long-term performance. Mandrel-bent for optimised gas flow and enlarged over stock for improved breathing, they are engineered to enhance throttle response and unlock the full character of the turbocharged N55 engine.
At Nforcd we have fitted these to customer 135i builds and the feedback is consistently excellent. Expect a crisper, sportier exhaust note with Milltek’s renowned acoustic tuning that avoids unwanted drone and cabin resonance, plus the flow benefits enthusiasts look for when upgrading a performance BMW exhaust.
Why choose Milltek Primary Cat Replacement Pipes for BMW 135i N55
- UK made by Milltek Sport using premium type 304 stainless steel
- Mandrel-bent pipework for smooth, constant-radius bends and optimised gas flow
- Enlarged bore over OEM for improved breathing and performance potential
- Sporty, refined tone developed to minimise NVH and cabin drone
- Durable, discolouration-resistant finish designed to last
Perfect for enthusiasts seeking
- BMW 135i exhaust upgrade
- N55 primary cat replacement pipes
- E82 E88 135i performance exhaust modifications
- Milltek decat pipes for BMW 135i N55
- Improved turbo spool and throttle response
- A deeper, more engaging 135i exhaust sound without harsh drone
Compatibility
- BMW 135i - E82 Coupe - N55 - 2010 onwards
- BMW 135i - E88 Cabriolet - N55 - 2010 onwards
Note: Primary catalyst replacement pipes are intended for motorsport and off-road use where removal or replacement of emissions equipment is permitted. Check local regulations before purchase and installation.
Professional fitting and support
We recommend professional installation. Nforcd offers expert fitting at our Warwickshire workshop. For a tailored quote and availability email Sales@nforcd.com.
Order your Milltek Primary Catalyst Replacement Pipes for BMW 135i N55 today and transform your E82 or E88 with a high quality UK-made performance exhaust upgrade that looks, sounds and performs exactly as a Milltek should.