aFe® (20-21) Silverado/Sierra 2500/3500 409SS Twisted Steel Catted Y-Pipe 3 "to 3-1/2"

  • Sale
  • Regular price $1,997.00

Compatible: (6.6L)

2020 - 2021 Chevy Silverado 2500/3500

2020 - 2021 GMC Sierra 2500/3500

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.

3" - 3-1/2" 304 Stainless Steel Construction:
This system is constructed of 3" - 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 flanges are used used for a secure leak-free seal.

Utilizing factory style hanger and flanges this system is designed to fit in the stock locations with no cutting or modifications required for a hassle-free installation.

True Merge Collector:
A 2-to-1 merge collector eliminates dead space that can cause turbulence and hinder flow that formed collectors are prone to produce.

Retain Factory Sensors Mounting Locations:
This system is designed to retain all your factory sensors 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.

100% MIG-welded for race proven strength and durability.

  • Constructed from 3" - 3-1/2" Mandrel-Bent 304 Stainless Steel Tubing
  • Utilizes Dual High Flow Catalytic Converters for Maximum Flow
  • Heavy Duty Laser Cut Machined 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


Install Guide: