Catalytic Converters

Milltek OPF Back Exhaust | BMW G20 M340i & G22 M440i - Polished Tips

Brand: Milltek

Part #: SSXBM1158

$2,635.41+2635 pts

In Stock

SKU: MK-SSXBM1158

Ships direct from the warehouse Guaranteed fitment 30-day returns

Description

Direct-fit OPF back exhaust system for BMW G20/G21 M340i and G22 M440i, engineered to replace the factory gasoline particulate filter section while maintaining full emissions compliance. Quad GT-100 polished tailpipes deliver aggressive stance and refined tone character across the rev range. Hand-finished T304L stainless steel construction with mandrel-bent piping ensures durability and consistent flow. System uses original BMW hangers and mounting points-no modifications required. Available in resonated and non-resonated configurations to suit street or closed-course application. • Fitment: BMW G20 M340i (2021+), BMW G21 M340i Touring (2020-2023), BMW G22 M440i (2021-2023) • Material: T304L stainless steel, hand-finished • Tailpipes: Quad GT-100 polished trims • Installation: OEM+ fitment, no cutting or welding • Configuration: Select resonated or non-resonated variant at checkout Milltek exhausts are precision-manufactured and designed for measurable performance gains alongside refined acoustic character-built to perform, not simply fitted and forgotten. Designed and manufactured in the UK with 40+ years of performance exhaust heritage. Tested at the Nurburgring.