S58 Catless Downpipes - M3/M4 G8X

Unleash the full potential of your BMW G80 M3 or G82/G83 M4 with our premium S58 Catless Downpipes. Precision-engineered for perfect fitment, these high-performance downpipes are crafted from high-quality T304 stainless steel with mandrel bends for optimal flow and durability. Designed specifically for the S58 engine, these catless downpipes eliminate the restrictive factory catalytic converters, resulting in significant power gains, enhanced exhaust note, and improved throttle response.

Key Features:

• Premium T304 stainless steel construction for maximum durability

• CNC machined flanges for perfect OEM fitment

• Mandrel bent tubing for optimal exhaust flow

• Significant power and torque gains (15-25 HP and 20-30 TQ at the wheels)

• Enhanced exhaust note with deeper, more aggressive tone

• Improved throttle response and reduced turbo lag

• Direct bolt-on replacement for factory downpipes

• Complete installation hardware included

• Detailed installation guide provided

• 1 year manufacturer warranty

Technical Specifications:

Material: T304 stainless steel
Finish: Polished stainless steel
Fitment: BMW G80 M3 (2021+), BMW G82/G83 M4 (2021+)
Installation: Advanced - Estimated time: 3-4 hours Pipe Diameter: 3.0" (76mm)
Weight: 6.8 kg (pair)
Package Includes: Pair of S58 catless downpipes, installation hardware, detailed installation guide

Installation Information:

Installation of these S58 catless downpipes is rated as advanced and typically takes 3-4 hours to complete. Professional installation is highly recommended due to the complexity of accessing the factory downpipes. Special tools may be required, including a lift or jack stands, socket set, and exhaust hanger removal tools. A detailed installation guide is included with your purchase, and additional installation resources can be found on our blog. The downpipes are designed as direct replacements for your factory components, utilizing the factory mounting points for a secure fit.

Compatibility:

These S58 catless downpipes are specifically designed for:

• BMW G80 M3 (2021+)

• BMW G82 M4 Coupe (2021+)

• BMW G83 M4 Convertible (2021+)

Please note: Not compatible with standard 3 or 4 Series models or with previous generation F-chassis vehicles. These downpipes are designed specifically for the G8X chassis M3/M4 with the S58 engine and will not fit other BMW models.

Care Instructions:

To maintain the performance and appearance of your S58 catless downpipes, we recommend:

• Allow the exhaust system to cool completely before cleaning

• Periodically check mounting hardware for proper tightness

• Inspect for any exhaust leaks at connection points

• Clean with a mild stainless steel cleaner when necessary

• Be aware that the downpipes may develop a natural patina over time

Why Choose Our Products:

At Mspec, we specialize in premium automotive enhancement products for luxury vehicles. Our S58 catless downpipes are designed and manufactured to the highest standards, ensuring perfect fitment, superior quality, and impressive performance gains for your BMW G80 M3 or G82/G83 M4. All our products undergo rigorous testing to ensure they meet the most demanding standards of quality and durability. Choosing our products guarantees not only significant performance improvements but also peace of mind thanks to their quality and reliability. Our exhaust components are crafted by experienced technicians who understand both the performance aspects and sound characteristics of BMW M vehicles.