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

aFe · New

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

MPN 48-34145 · Store SKU afe48-34145

$1,373.75
CHECK AVAILABILITY0 in supplier warehouses. Ask JuiceBuilt about availability.

Supplier stock checked 11/7/2026, 6:28:03 AM UTC. Adding a part does not reserve it.

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Request a return within 30 calendar days after delivery. New parts must be unopened and unused.

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Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.

Product details

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. Twisted Steel 304 Stainless Steel Short Tube Header GM Trucks 2500/3500HD 20-26 V8-6.6L L8T Twisted Steel 304 Stainless Steel Short Tube Header

Manufacturer fitment & guides

Check 48-34145 against the manufacturer’s application information below.

Part-specific notes

  • Not CARB approved. Destination and intended-use restrictions must be checked before sale.
  • Emissions acknowledgement required before purchase.
  • California Proposition 65: Y
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