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Supplier details checked 2026-09-23 · Test catalog
Apollo GT Series 3 IN 409 Stainless Steel Cat-Back Exhaust System w/ Black Tip GM Silverado/Sierra 1500 09-18 V6-4.3/V8-4.8/5.3L
Apollo GT Series 3 IN 409 Stainless Steel Cat-Back Exhaust System w/ Black Tip
Includes dual 4-1/2" dia. black, stainless steel, side-exit tips with laser-cut aFe POWER badges for an aggressive style
Up to +14 HP and +17 lbs. x ft. TQ (tested on 2014 Chevrolet Silverado V8-5.3L)
Comes complete with all necessary hardware for a hassle-free installation
Uses bayonet style hangers and heavy-duty band clamps for a secure fit
Utilizes a high-flowing stainless steel single-in dual out muffler
Constructed out of 3" mandrel-bent stainless steel tubing
aFe Apollo GT Series 3 IN 409 SS Cat-Back Exhaust System w/ Black Tip GM Sierra 1500 09-18
Apollo GT Series Cat-Back Exhaust System
Cat-Back Exhaust
In testing, this exhaust system resulted in gains up to + 14 horsepower and + 17 lbs. x ft. of torque, as measured on our in-house dyno (tested on 2014 Chevrolet Silverado V8-5.3L). This Apollo GT Series exhaust system includes an extension tube for regular cab/long beds and uses factory mounting locations providing stability and hassle-free installation. A bolt on hanger mount is used to support the driver side tube. High quality band clamps are used for a complete 360-degree sealing surface eliminating leak paths. A straight-through designed, free-flowing stainless steel muffler is used to absorb high pitch tones producing a powerful sound and unleashing all available horsepower and torque. OE-style bayonet hangers are used to maintain a stable pipe location during high vibration and high heat conditions. The bayonet tip holds the hanger bushing in place for an OE-style fit that does not change with time. This makes for an easy installation with no cutting required. Finishing off this system are dual 4-1/2" diameter, black, stainless steel tips. The tips come with a laser-cut aFe POWER badge riveted on for an aggressive style. Regular Cab / Short Bed 6.6 Ft. (119" Wheelbase)
aFe POWER introduces the Apollo GT Series cat-back dual rear exit exhaust system for the 2009-2018 Chevrolet Silverado/GMC Sierra 1500 with V6-4.3L & V8-4.8L/5.3L engine. This dual exhaust system is constructed out of 3" 100% MIG-welded, mandrel-bent, stainless steel tubing for maximum flow. The smooth transition bends allow for low turbulence, increasing horsepower, torque and improved throttle response. A free-flow single-in dual out muffler is included which improves performance across the power band while maintaining an awesome sound. In testing, the cat-back exhaust system resulted in gains up to + 14 horsepower and + 17 lbs. x ft. of torque, as measured on our in-house dyno (tested on 2014 Chevrolet Silverado V8-5.3L). Finishing off this exhaust are dual 4-1/2" diameter black tips. The tips comes with a laser-cut aFe POWERbadge riveted on for an aggressive style.
