G8x Catless Downpipe with Heat Shield

For BMW G80 M3 / G82 G83 M4 (2021+)

Unlock the true power of your G8X.

The Power Haus Performance Catless Downpipes for the BMW G80 M3 and G82/G83 M4 are engineered to deliver uncompromising performance, sound, and durability. Designed for enthusiasts who demand more, these downpipes feature a race-proven catless design combined with an integrated thermal heat shield, ensuring maximum power gains while maintaining engine bay protection.

Crafted from premium T304 stainless steel, these downpipes offer exceptional strength and corrosion resistance. The integrated heat shielding minimizes radiant heat, preserving the performance and reliability of surrounding components—making them ideal for both daily driving and track domination.

By eliminating the restrictive factory catalytic converters, the Power Haus Performance Catless Downpipes dramatically improve exhaust flow. Expect quicker turbo spool, enhanced throttle response, and a significant increase in horsepower and torque. Plus, the exhaust note transforms into an aggressive, intoxicating sound that perfectly matches the G8X’s performance pedigree.

Performance Gains

✅ +50-60 horsepower at the wheels
✅ +60-70 lb-ft of torque increase
✅ Faster turbo spool and reduced turbo lag
✅ Noticeable weight reduction compared to OEM components

Key Features

🚀 Race-Proven Catless Design – Maximum exhaust flow and performance
🔥 Integrated Thermal Heat Shield – Protects engine bay components from excessive heat
🔩 T304 Stainless Steel Construction – Superior durability and corrosion resistance
⚙️ Precision CNC Machining & Welds – Perfect fitment and seamless installation
🎵 Enhanced Exhaust Sound – Sharper turbo whistle and an aggressive tone
🛡️ 3-Year Warranty – Guaranteed quality and peace of mind

Vehicle Fitment

• BMW G80 M3 (2021+)
• BMW G82 M4 Coupe (2021+)
• BMW G83 M4 Convertible (2021+)

Note: For off-road and track use only. Please check local laws regarding emissions compliance.