2019-2021 GMC Sierra 1500 - Apollo GT Series 3 IN 409 Stainless Steel CatBack Exhaust System

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$975.98 USD Save: $195.20 (20.00%) $780.78
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Now your 19-20 Silverado/Sierra can have that custom look with this aFe POWER Apollo GT cat-back exhaust system. 3 IN mandrel-bent, 409 stainless steel tubing and high-flow muffler improves performance across the power band and delivers a deep, aggressive exhaust tone. 100% MIG-welded for strength and durability with 5 IN polished 304 stainless steel exhaust tip for a custom look.

3 IN 409 Stainless Steel Tubing:
This system is constructed of durable mandrel-bent 3 IN 409 stainless steel tubing for maximum durability. Mandrel-bent tubing for maximum air flow and low turbulence, delivering increased torque, horsepower, and improved throttle response.

High-Flow Performance Muffler
A high-flow stainless steel muffler allows increased exhaust flow and reduces exhaust drone, maintaining a deep, tuned sound.

Polished 5 IN Tip:
Rear side-exit exhaust with 5 IN polished 304 stainless steel clamp on exhaust tip with laser cut aFe POWER badge for a custom-styled look.

Perfect Fit:
Factory-style bayonet hangers are used to maintain a stable pipe location during high vibration and high heat conditions for a secure fit.

Hassle-Free Installation:
Quality hardware and clamps are included for a hassle-free installation.

It may be necessary to cut the OE Exhaust to remove it from the vehicle.

Crew Cab / Short Bed (69.92")
Crew Cab / Standard Bed (79.44")
Double Cab / Standard Bed (79.44")

Emissions Disclaimer:
This product does not require a CARB EO#

All aFe POWER exhaust systems are engineered and manufactured in our Corona, California manufacturing facility.
  • Instructions

  • Vehicle Applications

    Year Make Model SubModel Engine Fuel
    2019-2021Chevrolet Silverado 1500 L4 2.7L (t) Gas
    2019-2021GMC Sierra 1500 L4 2.7L (t) Gas
More Information
Weight73.00 lbs
Parent Product TypePerformance Upgrades
Product TypesExhaust Systems
BrandAdvanced Flow Engineering
Year2019, 2020, 2021