aFe Twisted Steel Shorty Header 2011 - 2017 Ford Mustang V6 - 3.7L

Part #: afe48-43031

• Up to +14 HP and +15 lbs. x Ft. TQ.
• Constructed from 1-5/8 IN Mandrel-Bent 409 Stainless Steel Tubing
• Heavy Duty Laser Cut Machined Flanges are used for a Durable Leak-Free Seal
• 3-to-1 Mitered Merge Collectors Eliminates Flow-Block Turbulence Seen on Formed Collectors
• 100% MIG-Welded for Strength and Durability
• Works with Factory Exhaust System with No Modifications Necessary

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 IN 409 Stainless Steel Construction:
This system is constructed of 1-5/8 IN 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.