(OPEN BOX) MAD BMW B58 2025+ Gen 3 M340 M440 4.5" Downpipe Catless

We try to keep all the products that are listed our site in stock, with short lead times, but with so many product offerings, it's not always possible to do so.

Products are kept in stock with our vendors, distributors, or partnered warehouses.

Please note: some products are custom made. For these products, check product description for lead times.

To check item stock or lead time please contact our support staff.

Orders are processed within 1-5 business days after order placement. Business days are Monday-Friday.

In-Stock orders are typically delivered within 7-10 business days of order shipment.

If product is out of stock or has a lead time we will notify you.

If you are unsure if a product is in stock, please contact us!

Please note: some products are made to order or have longer lead / shipping times. Review product description for this information.

To review fitment, check the fitment tab on the product description.

If you're still unsure, please contact our support staff.