The aFe Apollo GT Series Cat-Back Exhaust (49-44122-B) delivers performance and aggressive sound for 2020 GM 2500/3500HD trucks with 6.6L V8 engines. This complete 4" 409 stainless steel system features mandrel-bent tubing and a high-flow muffler for maximum durability and exhaust flow.
Key Features :
4" mandrel-bent 409 stainless steel construction
Direct bolt-on installation (no cutting required)
5" black 409 stainless steel intercooled exhaust tip
High-flow muffler for deep, aggressive tone
100% MIG-welded for race-proven durability
Maintains factory flanges and hangers
Includes all necessary hardware
Made in USA at aFe's California facility
This cat-back system utilizes computer-aided design for perfect factory fitment on:
Extended Cab/Short Bed (149.4" wheelbase)
Crew Cab/Short Bed (159" wheelbase)
The 5" black exhaust tip features a laser-cut aFe logo plate for distinctive styling, while the 409 stainless steel construction provides excellent corrosion resistance. The high-flow design helps unleash your 6.6L V8's full potential with improved exhaust flow and a deep, powerful sound.
Installation is simplified with factory-style mounting points and all included hardware, requiring no modifications to your truck. The 100% MIG-welded construction ensures maximum strength and longevity, even under heavy use.
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