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4" Aluminized Downpipe Back Single Without Muffler| Cab & Chassis-2017-2019 GM 2500/3500 6.6L DURAMAX L5P (FLO-PRO)
Upgrade your truck's performance with Mel's 4" Aluminized Downpipe Back Single Exhaust System, expertly crafted from durable aluminized steel for long-lasting performance enhancement. Designed for the 2017-2019 GM 2500/3500 6.6L Duramax L5P, this easy installation exhaust kit includes pre-welded bends and clamps, ensuring a seamless fit and improved airflow, while delivering a powerful sound you can feel. Please note, this system is intended for closed-course racing only—transform your vehicle's capabilities today and experience the difference!
Engineered from 16 gauge aluminized steel or T409 stainless steel, this advanced exhaust system streamlines installation through pre-welded contour bends and included clamps, providing a seamless fit. Experience a significant elevation in performance, reduced exhaust gas temperatures, and enhanced airflow with Mel's system tailored specifically for the 2017-2019 GM 2500/3500 6.6L Duramax L5P trucks.
Delivering the horsepower you can feel and hear, this exhaust system includes OEM style 4-bolt flange compatibility for a straightforward integration.
For racing enthusiasts, please note that this system is not suitable for street use and complies strictly with closed-course competition requirements. Upgrade your vehicle's performance today with Mel’s outstanding engineering!
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 | GMC | Sierra 2500 HD | |
2018 | GMC | Sierra 3500 HD | |
2018 | Chevrolet | Silverado 2500 HD | |
2018 | Chevrolet | Silverado 3500 HD | |
2019 | Chevrolet | Silverado 2500 HD | |
2019 | Chevrolet | Silverado 3500 HD | |
2019 | GMC | Sierra 2500 HD | |
2019 | GMC | Sierra 3500 HD |