Velocity Exhausts BMW B58 Catless 4'' Max Flow Downpipe
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1,000+ Happy Customers
$799.99
★ Most Popular: Gen 1
🛠 Built to Order
OEM-Level FitmentTest-fitted before it ships
Install SupportText us — we'll help
We Know Your PlatformBuilt by enthusiasts
Unleash maximum flow and aggressive performance with the Velocity Exhausts BMW B58 Catless 4" Max Flow Downpipe. Engineered for serious enthusiasts, this catless design eliminates restrictive factory components to deliver unrestricted exhaust scavenging and enhanced horsepower gains. The oversized 4" diameter piping reduces backpressure while the optimized internal flow path maximizes velocity and responsiveness across the RPM range.
Built from premium stainless steel construction, this downpipe withstands extreme temperatures and delivers lasting durability. Direct bolt-on fitment ensures hassle-free installation on compatible B58-equipped BMW models. Perfect for tuned vehicles and track applications where peak performance matters.
Note: Catless design may not comply with emissions regulations in all jurisdictions. Check local laws before installation.
Built from premium stainless steel construction, this downpipe withstands extreme temperatures and delivers lasting durability. Direct bolt-on fitment ensures hassle-free installation on compatible B58-equipped BMW models. Perfect for tuned vehicles and track applications where peak performance matters.
Note: Catless design may not comply with emissions regulations in all jurisdictions. Check local laws before installation.
We test-fit every piece before shipping. Direct bolt-on — no modifications required. If you're unsure whether this fits your exact build, contact us with your VIN or photos and we'll confirm before you order.
Most items are built to order & ship within 3-6 business weeks. Carbon fiber and custom exhaust orders typically have a 3-6 week lead time. You'll receive tracking as soon as your order leaves our shop.
Our products are manufactured both locally and globally. We carefully select our manufacturing partners to ensure high quality and fair value on every order.
We accept returns within 30 days for unused items in original packaging. Fitment issues on our end are always covered. Custom and made-to-order items are final sale.
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