Flowmaster
Flowmaster 01-06 GM SUB/AVAL/Yukon XL American Thunder Cat-Back Exhaust System
Why this price?
$949.95 is MSRP, the lowest price Flowmaster lets us list it at. Additionally, Pro members get $104.49 back on this part.
$949.95 − $104.49 = $845.46
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® Cat-back exhaust system provides. This American Thunder® exhaust system delivers a deep powerful exterior tone with a mild to moderate interior tone. The mandrel-bent 3.00-inch aluminized steel tubing flows into a specially designed resonator and the Super 50 Series™ performance muffler helps keep things fairly mellow inside the cab area of the vehicle. The system uses the factory hanger locations and the dual 2.50-inch tailpipes are finished off with 3.00-inch polished stainless steel tips. Like all Flowmaster systems, benefits include improved throttle response, power and mileage. Designed for an easy fit, these systems include all necessary parts and hardware for easy installation and is covered by our 3-year Limited Warranty. This system is covered by our 3-year Limited Warranty. Check out system #817342 for those who prefer a full stainless steel exhaust system covered by our Lifetime Limited Warranty.
- Specially Tuned Resonator to Help Control Interior Drone
- Includes Hangers and Hardware for an Easy Installation
- Mandrel-bent 16-gauge Aluminized Steel Tubing
- Deep Powerful Exterior Exhaust Tone
- Dyno Tuned for Maximum Performance
- Uses the Factory Hanger Locations
- Polished Stainless Steel Tips
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2002-2005 | Chevrolet | Avalanche 1500 | Base |
| 2005-2006 | Chevrolet | Avalanche 1500 | LS |
| 2005-2006 | Chevrolet | Avalanche 1500 | LT |
| 2002-2003 | Chevrolet | Avalanche 1500 | North Face |
| 2002-2003 | Chevrolet | Avalanche 1500 | On Road Edition |
| 2003 | Chevrolet | Avalanche 1500 | WBH |
| 2004-2006 | Chevrolet | Avalanche 1500 | Z66 |
| 2002-2006 | Chevrolet | Avalanche 1500 | Z71 |
| 2001,2006 | Chevrolet | Suburban 1500 | Base |
| 2001-2006 | Chevrolet | Suburban 1500 | LS |
| 2001-2006 | Chevrolet | Suburban 1500 | LT |
| 2002-2006 | Chevrolet | Suburban 1500 | Z71 |
| 2006 | GMC | Yukon XL 1500 | SL |
| 2001-2006 | GMC | Yukon XL 1500 | SLE |
| 2001-2006 | GMC | Yukon XL 1500 | SLT |
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