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.