aFe Twisted Steel Shorty Header 11-17 Ford Mustang V6-3.7L - 48-43031

Performance Gains:
This system produced gains of up to +14 HP and +15 lbs. x Ft. TQ., as measured on our in-house dyno.
1-5/8 409 Stainless Steel Construction:
This system is constructed of 1-5/8 mandrel-bent 409 stainless steel tubing for maximum strength and durability.
Heavy Duty Flanges:
Factory style laser cut machined mild steel flanges are used used for a secure leak-free seal.
Mitered Collectors:
3-to-1 Mitered Merge collectors decrease turbulence and increases exhaust velocity. The result is increased horsepower, torque and improved throttle response.
Hardware Included:
Includes gaskets and lower outlet hardware for a direct bolt-on system. No cutting or modifications required for a hassle-free installation.
Computer-Aided Design:
Utilizing state-of-the-art computer-aided design technology, these headers are 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.
Features:Up to +14 HP and +15 lbs. x Ft. TQ.Constructed from 1-5/8 mandrel-bent 409 stainless steel tubingHeavy duty laser cut machined flanges are used for a durable leak-free seal3-to-1 Mitered Merge Collectors eliminates flow-block turbulence seen on formed collectors100% MIG-Welded for strength and durabilityWorks with factory exhaust system with no modifications necessaryFitment:Ford Mustang V6 3.7L 2011-2022