Description
The aFe POWER Apollo GT Series 4" Cat-Back Exhaust System is engineered to deliver maximum performance, durability, and aggressive sound for 2020–2025 Chevrolet Silverado 2500/3500 HD and GMC Sierra 2500/3500 HD trucks with the 6.6L V8 engine. This exhaust system combines high-quality materials, precision engineering, and bold styling for a complete performance upgrade.
Constructed from 4" mandrel-bent 409 stainless steel tubing, the Apollo GT Series exhaust provides superior strength, long-term durability, and smooth exhaust flow. The system features a high-flow 409 stainless steel muffler that produces a deep, aggressive tone while maximizing horsepower and torque output.
Finishing off the system is a 5" black 409 stainless steel intercooled clamp-on exhaust tip, complete with a riveted aFe POWER logo plate for a distinctive appearance. The exhaust tip is engineered to resist heat and corrosion, ensuring long-lasting performance and visual appeal.
Installation is quick and straightforward, as the system uses factory-style flanges and hangers. No cutting or modifications are required, providing a direct bolt-on fit for a hassle-free installation. Computer-aided design (CAD) ensures precise factory tolerance fitment, while 100% MIG welding provides race-proven strength and durability.
The Apollo GT Series Cat-Back Exhaust is available for various Silverado and Sierra configurations, including Regular Cab/Long Bed, Extended Cab/Short Bed, and Crew Cab/Long Bed, delivering a perfect fit for your specific truck setup. Proudly engineered and manufactured in Corona, California, this system combines style, sound, and performance for the ultimate truck exhaust upgrade.
Key Features & Benefits
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4" mandrel-bent 409 stainless steel tubing for maximum strength
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High-flow 409 stainless steel muffler produces deep, aggressive sound
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5" black intercooled clamp-on exhaust tip with aFe POWER logo plate
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Direct bolt-on installation using factory-style flanges and hangers
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100% MIG-welded for race-proven strength and durability
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CAD-designed for precise factory tolerance fitment
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Fits Regular Cab, Extended Cab, and Crew Cab Silverado & Sierra
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All necessary hardware included for hassle-free installation
Vehicle Fitment
Compatible with the following applications:
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Chevrolet Silverado 2500 HD / 3500 HD – 2020–2025 | 6.6L V8 Gas
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GMC Sierra 2500 HD / 3500 HD – 2020–2025 | 6.6L V8 Gas
Fitment Notes
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Regular Cab / Long Bed – 141.5" Wheelbase
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Extended Cab / Short Bed – 162.5" Wheelbase
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Crew Cab / Long Bed – 172" Wheelbase
Emissions Disclaimer
This product does not require a CARB EO number.
