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Flowmaster engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Flowmaster lineup with fast shipping and expert fitment support — order with confidence.
Elevate the performance and sound of your GM Fullsize Pickup (2014-2019) with the Flowmaster American Thunder Cat-Back Exhaust System. Designed specifically for the 4.3L and 5.3L engines, this kit delivers Flowmaster's signature aggressive tone and improved exhaust flow. Constructed from high-quality stainless steel, it offers exceptional durability and resistance to rust and corrosion, ensuring a long-lasting upgrade.
The American Thunder series is engineered to provide a powerful exhaust note that complements the muscle of your GM truck. This cat-back system replaces your stock exhaust from the catalytic converter back, optimizing exhaust gas scavenging for increased horsepower and torque. The 3-1/2 inch polished tips add a custom, aggressive look to your truck's rear. Experience the difference in sound, performance, and style. Upgrade your GM pickup with this premium exhaust system from GGCRACING.
| Brand | Flowmaster |
|---|---|
| Manufacturer part number | 817669 |
| GGC SKU | BDXN_817669 |
| UPC / GTIN | 700042030033 |
Use the manufacturer part number when you compare with other listings or ask us to confirm a match.
| Box size | 58 × 16.4 × 11.7 in |
|---|---|
| Shipping weight | 55.7 lb |
Vehicle fitment is not listed for this part. Send us your year, make and model at sales@ggcracing.com and we will confirm before you order.
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