Milltek Particulate Filter-Back (OPF/GPF Back) Exhaust with Quad 100mm GT-100 Polished Tips for BMW G20 M340i xDrive Saloon 201

Milltek Particulate Filter-Back (OPF/GPF Back) Exhaust with Quad 100mm GT-100 Polished Tips for BMW G20 M340i xDrive Saloon 201

Regular price
£1,679.84
Sale price
£1,679.84
Regular price
Sold out
Unit price
per 
Tax included. Shipping calculated at checkout.

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 Particulate Filter-back Exhaust - OPF/GPF Back with Quad GT-100 Polished Trims for BMW G20 M340i xDrive Saloon 2019-2021 - SSXBM1158

Unlock the sound and presence your BMW deserves with the Milltek OPF/GPF Back particulate filter-back exhaust system for the BMW G20 M340i xDrive Saloon. Part number SSXBM1158. This Milltek performance exhaust delivers a sharper, sportier tone and a premium quad-tip look while retaining the factory particulate filter section. Designed for OPF/GPF models only, 2019 to 2021.

Hand-finished in the UK, every Milltek exhaust is crafted from aerospace grade type 304 non-magnetic stainless steel. The system features mandrel-bent pipework for optimised gas flow, carefully selected enlarged bore diameters for performance without sacrificing mid-range torque, and an acoustic profile developed to be sporty and crisp without NVH, drone or cabin resonance. Finished with stunning Quad GT-100 polished trims for a factory-plus look that stands out.

Key features and benefits

  • Direct OPF/GPF back particulate filter-back upgrade for BMW G20 M340i xDrive Saloon 2019-2021
  • Milltek part number: SSXBM1158
  • Quad GT-100 polished tailpipe trims - 100 mm polished tips for an aggressive OEM-plus finish
  • Aerospace grade type 304 stainless steel throughout - durable, corrosion resistant, non-magnetic
  • Mandrel bent tubing for constant-radius bends and optimised exhaust gas flow
  • Carefully enlarged bore for performance while maintaining mid-range response
  • Developed tone that is sporty and crisp without drone, NVH or cabin resonance
  • Proposed EC Approved system
  • Requires OE system to be cut - see fitting notes below

Why choose this Milltek exhaust for your BMW M340i G20 xDrive

This OPF back exhaust elevates the character of the BMW M340i with a deeper, cleaner note and a premium quad 100 mm polished tailpipe finish that complements the G20’s lines. Milltek’s UK-built quality and acoustic development make it an ideal upgrade for enthusiasts searching for a BMW G20 M340i exhaust, M340i xDrive OPF back exhaust, M340i GPF-back exhaust, M340i quad tip exhaust, or Milltek SSXBM1158.

At Nforcd we have installed and used Milltek systems extensively, and our customers consistently love the fit, finish and sound quality. If you are looking for a Milltek BMW M340i exhaust, GPF back exhaust for BMW G20, or a quad GT-100 polished tips upgrade, this system delivers.

Fitment

  • BMW G20 M340i xDrive Saloon - OPF/GPF models only
  • Model years: 2019, 2020, 2021
  • Configuration: Particulate Filter-back - OPF/GPF back
  • Tailpipes: Quad GT-100 polished trims
  • Note: Requires OE system to be cut

Fitting and installation

Professional installation is recommended. The OE system requires cutting for this OPF/GPF back fitment. For expert fitting, contact Nforcd in Warwickshire for a quote: Sales@nforcd.com.

Search-friendly terms

Milltek BMW G20 M340i exhaust, M340i xDrive OPF back exhaust, GPF back exhaust BMW M340i, particulate filter back exhaust, Milltek quad GT-100 polished tips, 100 mm exhaust tips M340i, Milltek SSXBM1158, Proposed EC Approved exhaust, BMW M340i 2019 2020 2021 exhaust upgrade, stainless steel performance exhaust, UK made exhaust.