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Milltek80mm Secondary Catalyst BypassFitment: BMW 5 Series M5 4.4l Twin Turbo Hybrid G90 & G99 (NAS/ROW Spec Vehicles)

80mm Secondary Catalyst Bypass | BMW 5 Series M5 4.4l Twin Turbo Hybrid G90 & G99 (NAS/ROW Spec Vehicles) | Milltek

SKU: SSXBM1415

Regular price $2,177.34
Sale price $2,177.34 Regular price $2,561.58



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80mm Secondary Catalyst Bypass | BMW 5 Series M5 4.4l Twin Turbo Hybrid G90 & G99 (NAS/ROW Spec Vehicles) | Milltek

$2,177.34

Overview

Milltek 80mm Axle Back Secondary Catalyst Bypass system engineered for use with Milltek Axle Back and Downpipe exhausts. Hand-finished T304L stainless steel construction with OEM+ fitment and direct bolt-on installation. Designed to optimize exhaust flow and acoustic character when paired with Milltek performance systems.

Precision mandrel-bent tubing and CNC-formed components ensure seamless integration. T304L stainless steel resists corrosion and thermal stress. No modification required — uses factory mounting points and OEM hangers for direct fitment.

Details

  • Compatible with Milltek Axle Back exhaust systems
  • Compatible with Milltek Downpipe platforms
  • Hand-finished T304L stainless steel construction
  • Mandrel-bent tubing for optimal flow
  • OEM+ direct bolt-on installation
  • Factory mounting point fitment

Engineered to Exhilarate.

Designed and manufactured in the UK with 40+ years of performance exhaust heritage. Tested at the Nurburgring.

Fitment