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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.
Other popular Flowmaster products customers consider together:
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.
Other popular Flowmaster products customers consider together:
