MAD 2025+ Gen 3 B58 Catless 5'' Downpipe M340,440

Upgrade your 2025+ BMW M340 with the MAD BMW B58 Gen 3 "Fat Boy" 5.0" Catless Downpipethe ultimate performance upgrade designed to unleash the full potential of your engine. Crafted from premium-quality 304 stainless steel, this larger-diameter 5.0-inch downpipe offers superior airflow, delivering enhanced horsepower, quicker turbo response, and noticeable torque gains.

Features:

• Premium 304 stainless steel for superior durability
• Expanded 5.0-inch diameter for unmatched airflow and performance
• Deeper, richer, and more aggressive exhaust tone
• Precision craftsmanship and perfect bolt-on fitment

The increased diameter of the "Fat Boy" downpipe sets it apart from our standard catless models by providing a deeper, richer, and significantly more aggressive exhaust tone. Precision-engineered welds and exceptional craftsmanship ensure perfect fitment, durability, and peak performance for enthusiasts demanding maximum results.

Transform your BMW M340's driving experience by choosing MAD's top-tier downpipe, designed specifically for drivers seeking ultimate airflow and a sound profile that commands attention.

Improved horsepower and torque compared to standard catless downpipes

Ideal for high-performance builds and enthusiasts seeking maximum results

Vehicle Fitment:

• 2025 | BMW | M340 | Cattless