MAD BMW B58 2025+ Gen 3 M340 5" 200 Cell Catted DownpipeEnhance your 2025+ BMW M340 with the MAD BMW B58 Gen 3 5" 200 Cell Catted Downpipeengineered specifically for performance enthusiasts seeking a cleaner and refined upgrade. Built with premium quality 304 stainless steel and equipped with a high flow catalytic converter, this downpipe delivers impressive power gains, increased airflow, and quicker turbo response without the typical fuel smell of a catless design. Enjoy a deeper, richer, and more
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MAD BMW B58 2025+ Gen 3 M340 5" 200 Cell Catted Downpipe