Flowmaster
Flowmaster 01-06 SUB/AVAL/Yukon XL American Thunder DOS SS Exhaust System
Why this price?
$1,171.95 is MSRP, the lowest price Flowmaster lets us list it at. Additionally, Pro members get $128.91 back on this part.
$1,171.95 − $128.91 = $1,043.04
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
This American Thunder system fits 2001-2006 GM Suburban, Avalanche and Yukon XL 1500 SUV's and increases the horsepower, torque and mileage of these popular trucks. The exhaust system is constructed from 16-gauge mandrel-bent stainless steel and has a flanged resonator assembly flowing into a specially tuned resonator and a Super 50 Series performance muffler producing a mild to moderate interior tone and a deep exterior sound. The dual 2.50-inch tailpipes exit out the side of the vehicle behind the rear tires and are finished off with large pair of 4.00-inch polished 304 stainless tips. All necessary parts and hardware are included for a great fitting installation and is covered by Limited Lifetime Warranty.
- Includes Hangers and Hardware for an Easy Installation
- Moderate Exterior Exhaust Note with Mild Interior Tone
- Dual 4.00-inch Polished 304 Stainless Steel Tips
- Mandrel-bent 16-gauge Stainless Steel Tubing
- Connects After Factory Catalytic Converter
- Super 50 Series Performance Muffler
- Includes Specially Tuned Resonator
- Uses the Factory Hanger Locations
- Performance Look of Duals
- Lifetime Limited Warranty
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 |
| 2004-2005 | Chevrolet | Avalanche 1500 | Z66 |
| 2002-2005 | Chevrolet | Avalanche 1500 | Z71 |
| 2001,2006 | Chevrolet | Suburban 1500 | Base |
| 2001-2006 | Chevrolet | Suburban 1500 | LS |
| 2001-2006 | Chevrolet | Suburban 1500 | LT |
| 2002-2005 | 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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