Flowmaster 2011-2015 Chevy Silverado, GMC Sierra, 2500HD, 3500HD, 6.0L (gas), V8,
Cat-back System 409S - Single Side Exit - Force II - Mild/Moderate Sound
Application Summary
Fits 2011 to 2015 Chevrolet Silverado and GMC Sierra 2500 HD and 3500 HD Trucks with 6.0L V8 gasoline engines. Fits Extra Cab with a Standard Bed only
Note 1: Extra Cab with a Standard Bed Only
Features
Flowmaster® Force II cat-back exhaust system for the 2011 to 2015 GM 2500HD and 3500HD extended cab and short bed truck is perfect for the person looking for mild to moderate sound levels with all of the performance benefits that you would expect from Flowmaster. This bolt on emissions legal system for the 6.0L V8 gasoline engines features a 50 Series Big Block muffler, mandrel bent 3.50 inch stainless steel tubing, and a polished 4.00 inch stainless steel tip with Flowmaster's logo embossed into it. The exhaust system is manufactured in the USA and is covered by Flowmaster's Lifetime Limited Warranty. Designed for an easy fit, this system includes all necessary parts and hardware for installation.
- Stainless Steel Construction
- Dyno Tuned For Maximum Performance
- Patented Delta Flow Technology
- Lifetime Limited Warranty
| Muffler Series | 50 Series Big Block | Outlet Diameter (in) | 3.5 |
|---|---|---|---|
| Single Dual | Single | Sound Level | Mild/Moderate Sound |
| Tubing Diameter (in) | 3.5 | System Type | Cat-back System |
| 2WD/4WD | RWD/4WD | Tip Diameter (in) | 4 |
| Tip Length (in) | 10 | Tip Quantity | 1 |
| Exhaust Pipe Bend Type | Assorted | Exhaust Pipe Max Diameter (in) | 2.5 |
| Heat Shield | No | Inlet Diameter (in) | 3.5 |
| Material | Stainless Steel | Muffler Part Number | Kit Only |
| Muffler Quantity | 1 |
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FAQs
Please read our FAQs page to find out more.
Are OEM products more expensive than aftermarket alternatives?
OEM products might have a higher upfront cost compared to aftermarket parts, but their superior quality and durability often make them a more cost-effective choice over time. Investing in OEM ensures you’re getting parts specifically designed for your vehicle, which can lead to better performance and longevity.
Can I purchase OEM parts online or do I need to visit a dealership?
You don’t need to visit a dealership to get OEM parts. You can conveniently purchase genuine OEM components from authorized distributors and reputable online retailers like Turbo Tech Performance. Our online store provides a wide selection of high-quality parts delivered straight to your door.
Are parts from brands like Mopar, ACDelco, and Motorcraft interchangeable between different vehicle brands?
No, parts from Mopar, ACDelco, and Motorcraft are typically designed for specific vehicle brands. It’s crucial to ensure compatibility with your vehicle’s make and model by checking part numbers and consulting with a knowledgeable expert.
Can I install OEM parts myself, or is it better to have a professional handle it?
While some OEM parts can be installed by DIY enthusiasts, the complexity of installation can vary. For the best results and to ensure proper fitment and performance, we recommend having a trained mechanic install the parts, especially if you’re unfamiliar with automotive repairs.
Do OEM parts come with a warranty?
Yes, many OEM auto parts come with a manufacturer’s warranty that covers defects or issues. Be sure to check the warranty details for each part at the time of purchase, and keep your receipt for any potential warranty claims.


