aFe

aFe Twisted 1-3/4in 304SS Shorty Header 20-23 GM 2500/3500HD 6.6L V8

SKU 48-34145

MPN afe48-34145

$1099.00 · Available to order

aFe Twisted 1-3/4in 304SS Shorty Header 20-23 GM 2500/3500HD 6.6L V8

1-3/4" 304 Stainless Steel Construction: This system is constructed of 1-3/4" mandrel-bent 304 stainless steel tubing for maximum strength and durability. Powerful Sound: This system produces a powerful sound unleashing all available horsepower and torque. Installation: Utilizing factory style flanges this system is a direct bolt-on system, which requires no cutting or modifications for a hassle-free installation. Heavy Duty Flanges: Factory style laser cut 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. Retains Factory Sensors: This system has been 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. MIG-Welded: 100% MIG-Welded for race-proven strength and durability. Emissions Disclaimer: This product is not currently CARB exempt and is not available for purchase in California or for use on any vehicle registered with the California Department of Motor Vehicles. aFe POWER exhaust systems are engineered and manufactured in our Corona, California facility.

Confirmed vehicle fitment
YearsMakeModelSubmodelDrive
2020–2026ChevroletSilverado 2500 HDWT—
2020–2026GMCSierra 2500 HDSLT—
2021–2025ChevroletExpress 2500LS—
2020–2026GMCSierra 3500 HDSLT—
2020–2026ChevroletSilverado 3500 HDWT—
2020–2026GMCSierra 3500 HDAT4—
2020–2026ChevroletSilverado 2500 HDCustom—
2020–2026ChevroletSilverado 3500 HDHigh Country—
2020–2026ChevroletSilverado 3500 HDLT—
2020–2026GMCSierra 2500 HDSLE—
2021–2025ChevroletExpress 3500Base—
2020–2026GMCSierra 3500 HDSLE—
2020–2026GMCSierra 2500 HDAT4—
2021–2025ChevroletExpress 3500LT—
2024–2026ChevroletSilverado 2500 HDZR2—
2020–2026ChevroletSilverado 2500 HDHigh Country—
2020–2026GMCSierra 3500 HDDenali—
2022–2026GMCSierra 3500 HDPro—
2021–2025ChevroletExpress 2500LT—
2020–2026ChevroletSilverado 3500 HDLTZ—
2020–2026GMCSierra 2500 HDDenali—
2020–2021GMCSierra 3500 HDBase—
2024–2026GMCSierra 2500 HDAT4X—
2020–2026ChevroletSilverado 2500 HDLTZ—
2021–2025ChevroletExpress 3500LS—
2020–2026ChevroletSilverado 2500 HDLT—
2021–2025ChevroletExpress 2500Base—
2020–2021GMCSierra 2500 HDBase—
2022–2026GMCSierra 2500 HDPro—
Specifications
CategoryExhaust, Mufflers & Tips
Sub-CategoryHeaders & Manifolds
UPC802959483374
CARB ApprovedNo
Prop 65 WarningY
Special OrderYes
Weight20 lb
Dimensions (L×W×H)29.1 × 17.3 × 7.9 in