FI EXHAUST CATELESS DOWNPIPE FOR BMW F82 M4

FI Exhaust Catless Downpipe for BMW F82 M4 (S55 Engine)

Unleash the true potential of your BMW M4 F82 with the FI Exhaust Catless Downpipe, engineered for maximum performance and sound. Crafted from high-grade stainless steel, this precision-built downpipe eliminates the restrictive factory catalytic converters, allowing exhaust gases to flow freely for enhanced horsepower, torque, and turbo response.

The FI (Frequency Intelligent) design ensures optimal exhaust velocity, reduced turbo lag, and an aggressive, race-inspired exhaust note that transforms your driving experience. Each downpipe is CNC-machined for perfect fitment and designed to integrate seamlessly with both stock and aftermarket exhaust systems.

Key Features:

• Compatible with BMW F82 M4 (S55 Engine)

• Constructed from T304 stainless steel for durability and corrosion resistance

• Catless design for maximum power gains and unrestricted flow

• Improved turbo spool and throttle response

• Delivers deeper, louder, and more aggressive exhaust tone

• Designed for direct bolt-on installation

• Compatible with FI Exhaust system and OEM exhaust

Performance Gains:

• +20–30 HP (approx., depending on tune)

• Significant improvement in mid-range torque and throttle response

Note:
For off-road and racing use only. ECU tuning is recommended to optimize performance and prevent check engine lights.