Maximize the performance and sound of your BMW G80 M3 or G82 M4 with FI Exhaust’s precision-engineered downpipes, available in Catless or 200-Cell Sport variations. Designed specifically for the 3.0L twin-turbo S58 engine, these downpipes deliver faster turbo spool, increased horsepower, and a more aggressive exhaust tone.
Options Available:
Catless Downpipes: Maximum flow and performance. For off-road or race use only.
200-Cell Sport Catted Downpipes: High-performance with emissions-conscious design. Reduced CEL risk.*
Key Features:
Direct fit for BMW G80 M3 / G82 M4 with S58 3.0L Twin Turbo engine (2021+)
Available in Catless and High-Flow 200-Cell Sport Cat versions
Constructed from premium T304 stainless steel
Improved Turbo Response: Less back pressure = quicker spool and more power
Aggressive Exhaust Note: Noticeable increase in volume and turbo sound
Precision TIG-welded and tested for fitment and durability
Compatible with both OEM and aftermarket exhaust systems
*Note: Catless version may trigger CEL. A tune or O2 spacers are recommended. Sport Cat version significantly reduces CEL likelihood.
SHIPPING INCLUDED.
Maximize the performance and sound of your BMW G80 M3 or G82 M4 with FI Exhaust’s precision-engineered downpipes, available in Catless or 200-Cell Sport variations. Designed specifically for the 3.0L twin-turbo S58 engine, these downpipes deliver faster turbo spool, increased horsepower, and a more aggressive exhaust tone.
Options Available:
Catless Downpipes: Maximum flow and performance. For off-road or race use only.
200-Cell Sport Catted Downpipes: High-performance with emissions-conscious design. Reduced CEL risk.*
Key Features:
Direct fit for BMW G80 M3 / G82 M4 with S58 3.0L Twin Turbo engine (2021+)
Available in Catless and High-Flow 200-Cell Sport Cat versions
Constructed from premium T304 stainless steel
Improved Turbo Response: Less back pressure = quicker spool and more power
Aggressive Exhaust Note: Noticeable increase in volume and turbo sound
Precision TIG-welded and tested for fitment and durability
Compatible with both OEM and aftermarket exhaust systems
*Note: Catless version may trigger CEL. A tune or O2 spacers are recommended. Sport Cat version significantly reduces CEL likelihood.
SHIPPING INCLUDED.