The Grand Rock 4" x 120" Straight Cut Aluminized Exhaust Stack is the perfect choice for custom exhaust systems and replacing existing exhaust stacks. The straight cut design of the exhaust stack allows for better exhaust flow, while the aluminized coating helps to resist rust and corrosion, ensuring long lasting durability. This exhaust stack can give vehicles a more polished, professional appearance and is ideal for custom exhaust systems, as well as for replacing existing exhaust stacks.

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