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4" Stainless Downpipe Back Single With Muffler | 2017-2019 GM 2500/3500 6.6L DURAMAX L5P (FLO-PRO)
Unlock the full potential of your GM 2500/3500 6.6L DURAMAX L5P with our 4" exhaust system, expertly crafted from durable aluminized steel or T409 stainless steel. This performance upgrade features preweld contour bends for enhanced airflow and a straightforward installation process, making it perfect for race vehicle components on closed-course tracks. Elevate your horsepower and reduce exhaust gas temperatures while enjoying effortless setup—transform your vehicle today!
This 4" exhaust system, crafted from durable 16 gauge aluminized steel or T409 Stainless, is engineered for optimal performance enhancement in your GM 2500/3500 6.6L DURAMAX L5P. Featuring preweld contour bends and sturdy flanges, it simplifies the installation process with included clamps, ensuring an effortless setup.
Experience significant improvements in horsepower, lowered exhaust gas temperatures (EGTs), and amplified airflow, transforming your vehicle into a powerhouse on the track. Designed specifically for non-registered race vehicles, this system is the ideal choice for closed-course competitions where performance is critical.
Before purchasing, please note that this product is only compatible with models equipped with the OEM style 4-bolt flange off the turbo direct pipe. Unlock the potential of your Duramax with this superior exhaust upgrade!
- MaterialAluminized, Stainless
- MufflerWith Muffler, Without Muffler
- BrandMel’s Manufacturing
- ManufacturerMel's Manufacturing
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.
- Fitment TypeVehicle Specific
Year | Make | Model | Notes |
---|---|---|---|
2017 | Chevrolet | Silverado 2500 HD | |
2017 | Chevrolet | Silverado 3500 HD | |
2017 | GMC | Sierra 2500 HD | |
2017 | GMC | Sierra 3500 HD | |
2018 | Chevrolet | Silverado 2500 HD | |
2018 | Chevrolet | Silverado 3500 HD | |
2018 | GMC | Sierra 2500 HD | |
2018 | GMC | Sierra 3500 HD | |
2019 | GMC | Sierra 2500 HD | |
2019 | GMC | Sierra 3500 HD | |
2019 | Chevrolet | Silverado 2500 HD | |
2019 | Chevrolet | Silverado 3500 HD |