Description
Quality Upgrade. The Flowmaster American Thunder Cat-Back Exhaust – Split Side/Rear Exit is the exhaust to get if you’re looking for one amazing upgrade. It was designed to fit easily into your Sierra 1500, and features a patented Delta Flow technology.
Stainless Steel. This exhaust is made from quality stainless steel and finished with a chic polished 3.5 inch double wall stainless steep tips. It’s dyno tuned for maximum performance and you can expect the sound coming from your Sierra to be moderate to aggressive. It won’t be long before you notice the major increase in torque and power.
Installing Your Exhaust. Your Cat-Back Exhaust will take a couple of hours to complete the installation, but it’s not a difficult process. Included with your purchase is the instructions to guide you along the way.
Lifetime Limited Warranty. When making your purchase, you can rest easy knowing that your backed by the lifetime limited warranty. Contact the manufacturer if you notice any defects in the workmanship or materials and you’ll receive a replacement product.
Application. The Flowmaster American Thunder Cat-Back Exhaust – Split Side/Rear Exit was made to fit the 2007 – 2013 5.3L GMC Sierra 1500 Extended Cab and Crew Cab models.
- Fits models with a 143.5 or 157.5-inch wheelbase
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Flowmaster 817680
CA Residents: WARNING: Cancer and Reproductive Harm
- Stainless Steel Construction
- Dyno Tuned
- Maximum Performance
- Moderate To Aggressive Sound
- Patented Delta Flow Technology
- 3.50 In Double Wall Stainless Steel Tips
- Designed For An Easy Fit
- Increases in Power & Torque
- Easy Installation
- Lifetime Limited Warranty
- Fits 2007 – 2013 5.3L GMC Sierra 1500 Extended Cab and Crew Cab models.
| Brand | Flowmaster |
| Exhaust System Type | Cat-Back System |
| Exhaust Tip Finish | Chrome, Polished |
| Exhaust Tubing Diameter | 2.50 Inch |
| Exhaust Material | Stainless Steel |
| Exhaust Tip Outlet Style | Dual |
| Exhaust Exit Location | Both Sides or Rear – After Tire |
| Exhaust Loudness | Moderate |
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