Milltek Sport Cat-Back Exhaust OPF/GPF Bypass for BMW 3 Series G20 M340i xDrive Saloon 2019-2021 (OPF/GPF Models Only) | Fits OE Trims | Requires OE System Cut | T304 Stainless Steel | SSXBM1160

Milltek Sport Cat-Back Exhaust OPF/GPF Bypass for BMW 3 Series G20 M340i xDrive Saloon 2019-2021 (OPF/GPF Models Only) | Fits OE Trims | Requires OE System Cut | T304 Stainless Steel | SSXBM1160

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Milltek Cat-back Exhaust - OPF GPF Bypass - fits to OE trims - BMW G20 M340i xDrive Saloon 2019 to 2021 - Part No. SSXBM1160

Unlock the true sound and flow of your BMW G20 M340i xDrive Saloon with the Milltek Cat-back OPF GPF Bypass system, part number SSXBM1160. Designed, developed and hand-finished in the UK, this performance cat-back exhaust fits to the OE trims and delivers a sharper, sportier tone with optimised gas flow. It is engineered specifically for OPF GPF models only from 2019 to 2021 and requires the OE system to be cut for installation.

Every Milltek system is produced from aerospace grade type 304 non-magnetic stainless steel, chosen for its durability, resistance to discolouration and long service life. Precision mandrel-bent pipework and carefully enlarged bore diameters over stock help maximise flow for performance without sacrificing mid-range drivability. A comprehensive acoustic development process ensures a sporty, crisp exhaust note without harsh NVH, drone or cabin resonance.

  • Direct-fit Milltek cat-back exhaust for BMW G20 M340i xDrive Saloon 2019 to 2021 - OPF GPF models only
  • OPF GPF bypass cat-back design for enhanced sound and improved gas flow
  • Fits to OE trims so you retain the factory tailpipe finishers
  • High quality T304 stainless steel, hand-finished in the UK
  • Mandrel-bent tubing with optimised bore for performance-focused flow
  • Engineered sound - sporty and crisp without drone or cabin resonance
  • Part number: SSXBM1160

Fitment and installation

  • Vehicle: BMW 3 Series G20 M340i xDrive Saloon 2019, 2020, 2021
  • Model compatibility: OPF GPF models only
  • Trims: fits to OE trims - uses the original tailpipe finishers
  • Installation note: requires the OE system to be cut

Why choose this Milltek cat-back for your M340i

This Milltek cat-back exhaust transforms the character of the BMW M340i with a deeper, more purposeful tone and performance-oriented flow, while maintaining refinement for daily driving. We have used this system on customer cars and feedback on the build quality, fit and sound has been excellent.

Professional fitting by Nforcd

For hassle-free installation, book professional fitting with Nforcd in Warwickshire. Email Sales@nforcd.com for a tailored quote and availability.

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