aFe Power Twisted Steel Tri-Y Long Tube Header & Y-Pipe 304 Stainless Steel w/ Cat GM 2500/3500HD 2020 V8-6.6L L8T
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Payments from $571.49 with
Performance Gains:
This system produced gains of up to +13 HP and +14 lbs. x Ft. TQ., as measured on our in-house dyno.
1-5/8" - 3-1/2" 304 Stainless Steel Construction:
This system is constructed of 1-5/8" - 3-1/2" mandrel-bent 304 stainless steel tubing for maximum strength and durability.
Dual High Flow Catalytic Converters:
Includes dual high flow catalytic converters which are less restrictive than the factory converters providing maximum flow.
Heavy Duty Flanges:
Factory style laser cut machined 304 stainless steel flanges are used used for a secure leak-free seal.
Optimized Tube Lengths:
Tube lengths are optimized for true pulse control technology which improves flow and performance.
Formed Collectors:
Formed collectors decrease turbulence and increases exhaust velocity. The result is increased horsepower, torque and improved throttle response.
Powerful Sound:
This system produces a powerful sound unleashing all available horsepower and torque.
Installation:
Utilizing a factory style flanges and hanger this system is a direct bolt-on system, which requires no cutting or modifications for a hassle-free installation.
Computer-Aided Design:
Utilizing state-of-the-art computer-aided design technology, this system is designed for custom, high tolerance factory fitment.
MIG-Welded:
100% MIG-Welded for race-proven strength and durability.
Emissions Disclaimer:
This is a Race Only product that is to be used solely for competition, it cannot be used on vehicles that are operated on public streets, roads or highways. Its use is limited to closed-course and open-course racing that is formally sanctioned by a recognized racing organization. Any other use, including recreational off-road use, could be in violation of local, state and federal laws. To complete the purchase of this item, aFe POWER competition acknowledgement/liability release form must be filled out and submitted.
aFe POWER exhaust systems are engineered and manufactured in our Corona, California facility.
Features:
- Up to +13 HP and +14 lbs. x Ft. TQ.
- Constructed from 1-5/8" - 3-1/2" Mandrel-Bent 304 Stainless Steel Tubing
- Utilizes Dual High Flow Catalytic Converters for Maximum Flow
- Heavy Duty Laser Cut Machined 304 Stainless Steel Flanges are used for a Durable Leak-Free Seal
- 100% MIG-Welded for Strength and Durability
- Works with Factory Exhaust System with No Modifications Necessary
Vehicle Applications:
| Year | Make | Model | SubModel | Engine | Fuel |
| 2020-2021 | Chevrolet | Silverado 2500 HD | V8 6.6L | Gas | |
| 2020-2021 | Chevrolet | Silverado 3500 HD | V8 6.6L | Gas | |
| 2020-2021 | GMC | Sierra 2500 HD | V8 6.6L | Gas | |
| 2020-2021 | GMC | Sierra 3500 HD | V8 6.6L | Gas | |
