Flowmaster
Flowmaster 01-03 GM 1500HD 6.0L CCB American Thunder Exhaust System
Why this price?
$799.95 is MSRP, the lowest price Flowmaster lets us list it at. Additionally, Pro members get $87.99 back on this part.
$799.95 − $87.99 = $711.96
Special Order
This part is still available to order. Once you place your order, we’ll submit it directly to Flowmaster, and they’ll ship it straight to you.
Delivery times can vary depending on the brand, so we can’t guarantee an exact arrival date. What we can guarantee is that we’ll stay on top of your order, monitor its progress, and keep you updated until it reaches your door.
Special-order items are typically not kept in stock by most retailers. By ordering through us, your order is placed directly with Flowmaster, assuring you get the part as quickly as possible.
Want to get an estimated delivery timeframe before ordering? Contact us through our contact page, and we’ll be happy to find out for you.
Not sure it fits? Read our tips.
Fitment tips
Fitment can come down to more than year, make and model. Sometimes the sub-model decides, so start with the fitment table below.
- Drive type. If your car is all-wheel drive, make sure the part is for all-wheel drive, not rear-wheel drive.
- Engine size. For engine parts, make sure the engine size on the product matches your engine.
- Transmission. Manual and automatic cars often take different parts.
- Body style. Sedan or hatch, two-door or four-door, cab and bed length on trucks.
Manufacturer data can sometimes have imperfections. Still not sure? We are happy to help.
Send us a message and we will confirm the fit.
Couldn't load pickup availability
For the person who wants a subtle custom appearance with all the benefits that a Flowmaster® Force II® cat-back exhaust system provides, the S.O.S. (Single out side) systems are the perfect choice. The 3.00-inch mandrel-bent aluminized steel tubing flows into a large case dual inlet 50 Series™ Big Block performance muffler that delivers a deep moderate exterior tone while retaining a mild to moderate interior tone. The 3.00-inch tailpipe uses the factory hanger locations for an easy installation and is finished off with a large 3.50-inch polished 304 stainless steel tip. This system is best suited towards customers looking for efficiency improvements without a lot of noise. Especially recommended for towing applications. Like all Flowmaster systems, the benefits include improved throttle response, power and mileage. Designed for an easy fit, these systems include all necessary parts, hardware and is covered by our 3-year Limited Warranty.
- Includes Hangers and Hardware for an Easy Installation
- Large 3.50-inch Polished 304 Stainless Steel Tip
- Mandrel-bent 16-gauge Aluminized Steel Tubing
- 70 Series Big Block II Performance Muffler
- Mild to Moderate Exterior Exhaust Tone
- Dyno Tuned for Maximum Performance
- Includes a 3-year Limited Warranty
- Uses the Factory Hanger Locations
- Minimal Interior Sound
- Easy Installation
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2001-2003 | Chevrolet | Silverado 1500 HD | LS |
| 2001-2003 | Chevrolet | Silverado 1500 HD | LT |
| 2001-2003 | GMC | Sierra 1500 HD | SLE |
| 2001-2003 | GMC | Sierra 1500 HD | SLT |
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