2016-2021 Duramax 2.8L 3" Turbo Back Exhaust w/ Muffler (331001)
These exhaust systems are available in a 16 gauge aluminized steel or T409 Stainless. FLO~PRO has made the necessary changes to ensure easy installation as all our exhaust kits come with necessary clamps, preweld contour bent hangers, and stronger flanges. With this exhaust system you can expect increased performance, lower EGTs and improved flow. Allow your truck to breath with this FLO~PRO exhaust system. FLO~PRO, horsepower you can hear!
These parts are for use on non-registered race vehicles on closed-course competition events *Installing or using this part on any emission-controlled vehicle ("street" or "off-road") may violate federal and/or state emissions laws and regulations. *Not available to ship to the United States
Order Processing Time:
Orders are typically processed within 24-48 hours after the order has been placed.
Custom or special order items may take longer to process, typically 3-5 business days depending on the product and customization required.
Shipping Methods:
Standard Shipping (3-7 business days)
Expedited Shipping (2-3 business days)
Express Shipping (1-2 business days)
Packaging:
All parts are securely packaged to better prevent any damage during transit. Fragile or high-value parts will be packaged with additional protective materials, such as bubble wrap or foam padding.
Shipping Rates:
Shipping rates vary based on the size, weight, and destination of the package. You can view the estimated shipping costs for your order during the checkout process before placing your order.
Order Tracking:
Once your order has been shipped, you will receive an email with the tracking number and carrier information. You can also track your order status by logging into your OCDiesel account.
USA Shipping:
We ship to the USA! Please note that USA shipping rates and delivery times may vary based on destination. Customers are responsible for any customs fees, import taxes, or additional charges that may apply.
Not all products are stocked in-house. To ensure you receive your desired items promptly, please check for availability before placing your order. Some products may be backordered due to high demand or supply chain constraints, which could result in longer delivery times.
We strive to keep our inventory updated regularly, but availability can change quickly. For the most accurate information, contact the OCDiesel customer service team using either this link, or the chat bubble on the bottom right of this page.
