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3" SS Cat & DPF Race Pipes | 2020-2022 GM 1500 3.0L Duramax
SKU: 432032
Upgrade your 2020–2023 GM 3.0L Duramax with Mel’s (formerly FLO-PRO) true 3" stainless exhaust—full 3" to the turbo, connects to mid-pipe, keeps factory muffler.
Vehicle Specific
Check if this part fits your vehicle.
Experience the next level in diesel performance with Mel’s (formerly FLO-PRO) 3" Stainless Exhaust System for your 2020–2023 GM 3.0L Duramax. This system is engineered for enthusiasts who demand true 3" diameter piping right up to the turbo, maximizing exhaust flow and turbo efficiency. By connecting seamlessly to the mid-pipe and retaining your factory muffler, you get the best of both worlds: a refined exhaust note and a serious bump in throttle response and power.
Built from premium stainless steel, this exhaust is ready for harsh road conditions and years of dependable performance. Installation is straightforward thanks to precision-bent tubing and quality welds, ensuring a perfect fit without hassle. Whether you’re looking for improved turbo spool, lower EGTs, or just want to unlock hidden horsepower, Mel’s (formerly FLO-PRO) delivers with a system that’s as tough as your Duramax. Trust the legacy of FLO-PRO—now Mel’s—for innovation, quality, and results you can feel every time you hit the throttle.
- MaterialStainless
- BrandMel's Manufacturing
- ManufacturerMel's Manufacturing
- Country/Region of ManufactureCanada
- Country of OriginCanada
- MaterialAluminized
Shipping Times
Most customers will see their parts within 3-5 business days. We will primarily ship with Purolator ground & DHL Express to ensure the fastest shipping possible.
Please Note: These are only estimates and shipping time may vary depending on your location, out of country and rural locations expect longer wait times.
Where Do We Ship
We will ship our products within Canada and the United States.
Please Note: There are limitations what can be shipped to the United States.
Damaged Shipments
We provide the option to purchase insurance as we are not responsible for any damage while with a courier, we don’t often see issues, but it does happen. If you purchased insurance we will put in a claim, if no insurance was purchased there will be no refunds or exchanges.
Return Policy
It happens sometimes we would like to return it. Here are our return rules:
- Prior to any return you must contact us and get an approval for a RMA number.
- Product must be unopened and have no damage.
- You must pay for the shipping back, please insure so if anything happens you can make a claim, we are not responsible for damage during shipping and is the sole responsibility of the customer.
- Regular products are subject to a 5% Restocking fee.
- Items over 50 lbs. or special orders will be subject to a 20% Restocking fee.
- Electronics & Tuning is a final sale and cannot be returned.