BMW GEN3 B58 400 Cell Catted Downpipes

Valvetronic Designs 400-Cell Catted Downpipe for the BMW B58 Gen 3 platform enhances performance while retaining a catalytic converter for improved street usability. The high-flow 400-cell metallic catalyst reduces exhaust restriction, allowing quicker turbo spool and stronger mid-range power delivery. Compared to factory components, this upgrade delivers improved sound and responsiveness while helping maintain a refined exhaust profile. Manufactured from high-grade stainless steel and engineered for direct bolt-on installation, this downpipe is built for durability and daily-driven reliability. Tuning may be required to prevent check engine lights and optimize performance.

• High-flow 400-cell metallic catalyst
• improved spool and throttle response
• reduced backpressure
• OEM-style fitment
• stainless steel construction
• deeper exhaust tone
• reduced odor vs catless
• designed to minimize CEL with tuning.

Attributes:

• Brand Name: Valvetronic Designs
• GTIN: 00810201226433
• Finish: Brushed
• Installation Notes: OEM Replacement
• Material: Stainless Steel
• Outlet Quantity: 1
• What is Included: Downpipe(s) & Hardware

Extended Information:

• Country of Origin: CN
• Emissions : EPA Eligible

Packing Information:

• Quantity of Each: 1
• Package UOM: EA
• Dimension: 25.75 x 13.5 x 9 inches
• Weight: 14.5 POUNDS