aFe Apollo GT Series 4in 409SS Cat-Back 20-21 GM 2500/3500HD V8-6.6L L8T - Black Tip

This cat-back exhaust system is constructed of 4" mandrel-bent 409 stainless steel tubing for maximum strength and durability. This system features a high-flow 409 stainless steel muffler, producing a deep sound. Finishing off this exhaust system is a 5" diameter black 409 stainless steel intercooled clamp-on exhaust tip. The tip features an aFe POWER logo plate riveted on for a unique style. This system produces a deep sound unleashing all available horsepower and torque. Utilizing a factory style flange and hangers this system is a direct bolt-on system, which requires no cutting or modifications for a hassle-free installation. Utilizing state-of-the-art computer-aided design technology, this exhaust system is designed for custom, high tolerance factory fitment. 100% MIG-Welded for race-proven strength and durability.
Installation Instructions


This Part Fits:

Year	Make	Model	Submodel
2020-2023	Chevrolet	Silverado 2500 HD	Custom
2020-2023	Chevrolet	Silverado 2500 HD	High Country
2020-2023	Chevrolet	Silverado 2500 HD	LT
2020-2023	Chevrolet	Silverado 2500 HD	LTZ
2020-2023	Chevrolet	Silverado 2500 HD	WT
2020-2023	Chevrolet	Silverado 3500 HD	High Country
2020-2023	Chevrolet	Silverado 3500 HD	LT
2020-2023	Chevrolet	Silverado 3500 HD	LTZ
2020-2023	Chevrolet	Silverado 3500 HD	WT
2020-2023	GMC	Sierra 2500 HD	AT4
2020-2021	GMC	Sierra 2500 HD	Base
2020-2023	GMC	Sierra 2500 HD	Denali
2022-2023	GMC	Sierra 2500 HD	Pro
2020-2023	GMC	Sierra 2500 HD	SLE
2020-2023	GMC	Sierra 2500 HD	SLT
2020-2023	GMC	Sierra 3500 HD	AT4
2020-2021	GMC	Sierra 3500 HD	Base
2020-2023	GMC	Sierra 3500 HD	Denali
2022-2023	GMC	Sierra 3500 HD	Pro
2020-2023	GMC	Sierra 3500 HD	SLE
2020-2023	GMC	Sierra 3500 HD	SLT

We understand the excitement of receiving your orders promptly. That's why we strive to process and ship all orders within 12-24 hours after the order is placed, excluding weekends and holidays. Orders placed on weekends or holidays will be processed the following business day.

Once your order is processed and shipped, you will receive a shipping confirmation email with tracking information to help you track the progress of your package. Please note that shipping times may vary depending on your location and the shipping method selected during checkout.