MBRP 2021+ BMW M3/M4 3in Axle Back Dual Rear Exit w/ T304 SS Carbon Fiber Tips Fill Neck By intercepting and remapping the

By intercepting and remapping the electronic signals sent to your ECM (Electronic Control Module)

flexible hoses

Install the new TDC sensor and PCV valve in the new timing cover

enhancing airflow efficiency and performance

✓ Designed for professional motorsport fuel cell integration

MBRP 2021+ BMW M3/M4 3in Axle Back Dual Rear Exit w/ T304 SS Carbon Fiber Tips Fill Neck By intercepting and remapping theTHE ONLY EXHAUST YOU"LL EVER NEED MBRP Armor Pro Series exhaust systems are backed by a Lifetime Warranty and crafted out of T304 Stainless Steel the most durable material grade that money can buy. The T304 Stainless Steel tubing is easy to clean and maintain. Its the obvious choice for you if you operate your vehicle in extreme conditions. All of the tubing is mandrel bent for maximum exhaust flow. Mandrel bending ensures no rippling in the bends.