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4" Aluminized Downpipe Back Single With Muffler | 2017-2019 GM 2500/3500 6.6L DURAMAX L5P (FLO-PRO)
Unleash the true potential of your vehicle with the 4" Aluminized Downpipe Back Single With Muffler, specially designed for the 2017-2019 GM 2500/3500 6.6L Duramax L5P. This exhaust system, crafted from robust aluminized steel, ensures effortless installation while delivering a remarkable performance upgrade with superior airflow and reduced EGTs. Elevate your automotive game today and experience the unmistakable horsepower and sound that Mel's innovative design brings to your closed-course competition vehicle!
Crafted from robust 16 gauge aluminized steel or T409 stainless, this advanced exhaust system is engineered for an effortless installation experience, featuring durable clamps, precise preweld contour bends, and enhanced flanges. Experience remarkable performance upgrades, including reduced EGTs and superior airflow, courtesy of Mel's innovative design.
Transform your vehicle's potential with the unmistakable horsepower that Mel's delivers—a sound you'll love and power you'll feel.
Please note, these kits are exclusively designed for models with the OEM-style 4-bolt flange off the turbo direct pipe and are intended solely for closed-course competition vehicles. Elevate your automotive game today!
- 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 | GMC | Sierra 2500 HD | |
2017 | GMC | Sierra 3500 HD | |
2017 | Chevrolet | Silverado 2500 HD | |
2017 | Chevrolet | Silverado 3500 HD | |
2018 | GMC | Sierra 3500 HD | |
2018 | GMC | Sierra 2500 HD | |
2018 | Chevrolet | Silverado 2500 HD | |
2018 | Chevrolet | Silverado 3500 HD | |
2019 | GMC | Sierra 2500 HD | |
2019 | GMC | Sierra 3500 HD | |
2019 | Chevrolet | Silverado 2500 HD | |
2019 | Chevrolet | Silverado 3500 HD |