Evolution M BMW M5 G90 & G99 Primary & Secondary Downpipes – Catless & 200 Cell Sport Cat

Unlock the performance and sound potential of the BMW G90 M5 and G99 M5 Touring with Evolution M Primary & Secondary Performance Downpipes. Available in Catless and 200 Cell Sports Catalytic Converter options, these high-performance downpipes are engineered specifically for the S68 4.4L twin-turbo V8.

Designed to improve exhaust flow, reduce backpressure and enhance turbo response, the Evolution M downpipe system replaces the restrictive factory primary and secondary catalytic converter sections. Whether maximum exhaust flow or a high-flow catalytic converter setup is preferred, both configurations offer improved exhaust efficiency, sharper throttle response and a deeper, more aggressive V8 exhaust note.

Manufactured from high-quality stainless steel, these BMW M5 performance downpipes combine precise fitment, long-term durability and excellent value.

Choose Your Downpipe Configuration

Option 1: Catless Downpipes – Maximum Exhaust Flow

The Evolution M Catless Downpipes replace the factory primary and secondary catalytic converters with unrestricted stainless steel pipework.

Designed for maximum exhaust flow and performance-focused builds, this configuration offers:

• Maximum reduction in exhaust backpressure

• Faster turbo spool and improved throttle response

• Louder, more aggressive V8 exhaust sound

• Increased performance potential with suitable ECU tuning

• Unrestricted exhaust flow for high-performance applications

• Ideal for motorsport and dedicated track builds

Important: Catless downpipes will trigger an engine management warning light and may cause reduced-power operation or limp mode. Appropriate aftermarket ECU tuning or custom coding is required for compatibility and drivability.

Option 2: 200 Cell Sports Cat Downpipes – Performance & Refinement

The Evolution M 200 Cell Sports Cat Downpipes feature high-flow catalytic converters designed to improve exhaust flow while retaining catalytic functionality.

This configuration offers a balance between enhanced performance, exhaust sound and everyday usability.

• High-flow 200 cell sports catalytic converters

• Reduced backpressure compared with restrictive factory catalysts

• Improved turbo response and throttle sensitivity

• Deeper, sportier V8 exhaust note

• Retains catalytic converter functionality

• Ideal for enthusiasts seeking performance with a more refined exhaust setup

Important: A 200 cell sports catalytic converter does not automatically guarantee emissions compliance or prevent engine management warning lights. ECU compatibility and emissions compliance depend on the vehicle's calibration and applicable regulations.

Key Features & Benefits

• Two Configurations Available – Choose between Catless and 200 Cell Sports Cat downpipes.

• Primary & Secondary Downpipe Upgrade – Replaces both factory catalytic converter sections.

• Improved Exhaust Flow – Reduces exhaust restrictions and backpressure.

• Enhanced Turbo Response – Supports faster turbo spool and reduced turbo lag.

• Aggressive V8 Sound – Produces a deeper, louder and more engaging exhaust tone.

• Increased Tuning Potential – Designed to support performance-focused S68 engine builds.

• Premium Stainless Steel Construction – Durable, corrosion-resistant and built to withstand high exhaust temperatures.

• Precision Fitment – Engineered for BMW G90 M5 and G99 M5 Touring applications.

• Excellent Value – Performance-focused engineering at a competitive price.

Vehicle Compatibility

• BMW M5 G90 Sedan – 2024–2025

• BMW M5 G99 Touring – 2024–2025

• Engine: S68 4.4L Twin-Turbo V8

Catless vs. 200 Cell – Which Option Is Right?

Important Installation & Emissions Information

Professional installation is recommended.

Catless configurations remove the factory catalytic converters and are intended for motorsport or off-road applications where permitted.

The 200 cell configuration retains catalytic functionality but is not automatically road-legal or emissions-approved. Both configurations may trigger an engine management warning light depending on the vehicle's software and emissions monitoring systems.

Why Choose Evolution M Downpipes?

The Evolution M BMW M5 G90/G99 Primary & Secondary Performance Downpipes deliver an excellent combination of exhaust performance, aggressive sound and durable stainless steel construction.

With a choice between Catless and 200 Cell Sports Cat configurations, the system allows BMW M5 owners to select the exhaust setup that best matches their performance goals and intended vehicle use.

Looking for more information? Just ask us.
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