aFe Twisted Steel Headers for 2021-2026 Jeep Wrangler 392 6.4L V8, 1-7/8 to 2-3/4 Inch, Raw Finish - 48-38031

This system is constructed of 1-7/8 IN - 3 IN mandrel-bent 304 stainless steel tubing for maximum strength and durability. Factory style laser cut machined mild steel flanges are used used for a secure leak-free seal. A mitered merge collector is used to decrease turbulence and increase exhaust velocity resulting in increased horsepower, torque and improved throttle response. Utilizing factory style and flanges this system is designed to fit in the stock locations with no cutting or modifications required for a hassle-free installation. 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. Twisted Steel 1-7/8 IN to 2-3/4 IN 304 Stainless Headers w/ Raw Finish Jeep Wrangler 392 21-26 V8-6.4L

• Heavy Duty Laser Cut Machined Mild Steel Flanges are used for a Durable Leak-Free Seal
• 4-to-1 Mitered Merge Collectors Decrease Turbulence and Increase Exhaust Velocity
• Constructed from 1-7/8 IN - 3 IN Mandrel-Bent 304 Stainless Steel Tubing
• Works with Factory Exhaust System with No Modifications Necessary
• 100% MIG-Welded for Strength and Durability
• Retains Factory O2 Sensor Locations

Upgrade the exhaust flow and performance of your 2021-2026 Jeep Wrangler 392 equipped with the 6.4L HEMI V8 using aFe Twisted Steel Headers, Part Number 48-38031. These headers are engineered with 304 stainless steel tubing and a raw finish for durability and installation flexibility. Mandrel-bent tubing helps maintain consistent internal diameter through each bend, supporting efficient exhaust flow and improved engine response.

The aFe Twisted Steel Header system uses factory-style, laser-cut machined mild steel flanges to provide a secure, leak-resistant connection. Four-to-one mitered merge collectors reduce turbulence and help increase exhaust velocity, supporting gains in horsepower, torque, and throttle response. Computer-aided design technology provides high-tolerance factory-style fitment, while the system is designed to work with the factory exhaust system without cutting or permanent modifications.

Each header is 100% MIG-welded for race-proven strength and durability. Factory oxygen sensor locations are retained to support proper sensor placement and simplify installation. This automotive performance part is not CARB approved and may not be legal for use on pollution-controlled vehicles in certain states or applications. Verify local emissions regulations before installation.

Key Product Specifications & Technical Data

• Brand: aFe
• Part Number: 48-38031
• Product Type: Twisted Steel exhaust headers
• Vehicle Application: Jeep Wrangler 392
• Engine Application: 6.4L HEMI V8
• Primary Tube Size: 1-7/8 inch
• Collector Outlet Size: 2-3/4 inch
• Material and Finish: 304 stainless steel tubing with raw finish

What's Included

• One aFe Twisted Steel Header system
• Installation hardware and components supplied by the manufacturer

Fitment: Designed for 2021, 2022, 2023, 2024, 2025, and 2026 Jeep Wrangler 392 models with the 6.4L V8. Confirm vehicle configuration and emissions requirements before ordering.

Features:

• 304 Stainless Steel Construction: Mandrel-bent 304 stainless steel tubing provides strength, durability, and consistent exhaust flow.
• Mitered Merge Collectors: Four-to-one collectors reduce turbulence and increase exhaust velocity for improved horsepower, torque, and throttle response.
• Factory-Style Fitment: Designed to work with the factory exhaust system without cutting or permanent modifications.
• Leak-Resistant Flanges: Laser-cut, machined mild steel flanges provide a secure connection and durable seal.
• MIG-Welded Durability: 100% MIG-welded construction delivers reliable strength for demanding street and performance use.
• Retained Oxygen Sensor Locations: Factory O2 sensor locations are maintained to simplify installation and preserve proper sensor placement.

Fitments:
2021 Jeep Wrangler Unlimited Rubicon 392
2022 Jeep Wrangler Unlimited Rubicon 392
2023 Jeep Wrangler Unlimited Rubicon 392
2024 Jeep Wrangler Rubicon 392 Final Edition
2024 Jeep Wrangler Unlimited Rubicon 392
2025 Jeep Wrangler Rubicon 392 Final Edition
2026 Jeep Wrangler Moab 392

Air Freight Prohibited: false
Not Carb Approved: true
Carb Acknowledgement Required: true
Ltl Freight Required: false
Prop 65: Y
Part Type: automotive
Epa: N/A
Regular Stock: t
Units Per Sku: 1