aFe POWER is proud to introduce the Apollo GT Series dual rear exit cat-back exhaust system for the 2014-2019 GM Silverado/Sierra 1500 with V6-4.3L/V8-5.3L engines. This cat-back 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 improving throttle response. In testing, this system resulted in gains up to +14 horsepower and +17 lbs. x ft. of torque verified by our in house dyno (vehicle tested with 5.3L engine). A hi-flow 21″ single-in dual out muffler is included which improves performance across the power band while maintaining an awesome sound. This unit uses all factory mounting locations and comes with a bolt-on bracket that supports the driver side tailpipe. The aFe POWER rear exit exhaust system was designed to retain the spare tire and includes high quality band clamps and OE-style bayonet hangers. This makes for an easy installation with no cutting required. To finish off the exhaust, dual 4-1/2″ polished stainless steel tips with a laser-cut stainless steel aFe POWER badges for an aggressive style. This kit retains your spare tire and includes high quality band clamps and OE-style bayonet hangers for a hassle-free installation.
Installation is a Snap:
This Apollo GT Series exhaust system uses all factory mounting locations and is supplied with all necessary hardware including OE style hangers for the perfect fit and finish.
A free-flowing stainless steel muffler is used to absorb high pitch tones producing a powerful sound and unleashing all available horsepower and torque out of your rig.
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.
High quality OE-style flange and band clamps are used for a complete 360-degree sealing surface eliminating leak paths.
Retains The Spare Tire:
This exhaust system fits perfectly without removing the spare tire.
Flow and Performance:
This exhaust system is constructed of 3″ mandrel-bent stainless steel tubing for maximum flow. Smooth transition bends allow for low turbulence, increasing horsepower, torque and improving throttle response.
Massive 4-1/2″ Polished Tips:
Finishing off the exhaust are dual polished stainless steel exhaust tips. The tips feature unique stainless steel laser-cut aFe POWER logo plates which are riveted on for an aggressive style.
Crew Cab / 5’9″ Bed (143.5″ Wheelbase)
Crew Cab / 6’7″ Bed (153″ Wheelbase)
Double Cab / 6’7″ Bed (143.5″ Wheelbase)
This product does not require a CARB EO#.
aFe POWER exhaust systems are engineered and manufactured in our Corona, California facility.
- Up to +14 HP and +17 lbs. x ft. TQ (vehicle tested with 5.3L engine)
- Utilizes a high-flowing stainless steel single-in dual out muffler to absorb high pitch tones for a powerful sound
- Constructed out of 3″ MIG-welded, mandrel bent stainless steel tubing
- Dual 4-1/2″ polished stainless steel tips with a laser-cut stainless steel aFe POWER badges
- Comes complete with all necessary hardware no cutting or modifications required for a hassle-free installation
- This system retains the spare tire