High-Flow Catted Exhaust Downpipes for BMW G8X M2/M3/M4

Upgrade the performance of your BMW G87 M2 G80 M3 G82 M4 with the STRATEC High-Flow Catted Exhaust Downpipes, engineered to deliver increased power while maintaining a refined exhaust tone and improved emissions compliance compared to catless setups.

These catted downpipes feature high-flow catalytic converters, reducing restriction in the exhaust system while still filtering emissions. The result is improved horsepower, quicker turbo response, and a deeper, more aggressive sound without being overly loud.

Constructed from high-grade stainless steel, these downpipes are built to withstand extreme temperatures and long-term performance use—ideal for both daily driving and performance builds.

Key Features

• High-flow catted downpipe design

• Fits BMW G87 M2 / G80 M3 / G82 M4

• Designed for S58 twin-turbo engine

• Improves exhaust flow and turbo efficiency

• Increases horsepower and torque

• More refined, deeper exhaust tone vs catless

• Integrated high-flow catalytic converters

• Stainless steel construction for durability

• Heat-resistant and corrosion-resistant

• Precision welds and fitment

Fitment

BMW G87 M2 G80 M3 G82 M4

• Model: G87 M2 / G80 M3 / G82 M4

• Engine: S58 Twin-Turbo Inline-6

• Years: 2021+