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Stainless steel automotive exhaust manifold components with curved tubular runners and flange mounts for installation.
Three-into-one stainless steel car exhaust header with flanged mounting flange, polished finish.
Metallic exhaust pipe with a flanged end and gasket surface, showing a circular flange with mounting holes
Dynojet power‑torque comparison for two 2015 Ford Mustang V6 3.7L runs. Red and blue lines plot horsepower and torque by engine rpm (2,500–6,500), showing peaks in the mid‑240s to mid‑250s hp and roughly 210–251 lb‑ft torque. Logos and chart title are visible.
Close-up of a metal exhaust manifold with curved pipes and bolts in an engine bay, showing polished welds and cylindrical tubes under the hood.
Circular badge with the American flag and 'Made in the USA' text around the border
Prop 65 warning label with yellow triangle and exclamation mark; Cancer and Reproductive Harm, www.P65Warnings.ca.gov] ,
P65 warning label: yellow triangle with exclamation mark and the text 'WARNING Cancer and Reproductive Harm www.P65Warnings.ca.gov'

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

This system produced gains of up to +14 HP and +15 lbs. x Ft. TQ., as measured on our in-house dyno. This system is constructed of 1-5/8 IN mandrel-bent 409 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. 3-to-1 Mitered Merge collectors decrease turbulence and increases exhaust velocity. The result is increased horsepower, torque and improved throttle response. Includes gaskets and lower outlet hardware for a direct bolt-on system. No cutting or modifications required for a hassle-free installation. Utilizing state-of-the-art computer-aided design technology, these headers are designed for custom, high tolerance factory fitment. 100% MIG-Welded for race-proven strength and durability.
Twisted Steel 409 Stainless Steel Short Tube Header Ford Mustang 11-17 V6-3.7L

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

706.97 $

SKU 48-43031
brand aFe
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Description

This system produced gains of up to +14 HP and +15 lbs. x Ft. TQ., as measured on our in-house dyno. This system is constructed of 1-5/8 IN mandrel-bent 409 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. 3-to-1 Mitered Merge collectors decrease turbulence and increases exhaust velocity. The result is increased horsepower, torque and improved throttle response. Includes gaskets and lower outlet hardware for a direct bolt-on system. No cutting or modifications required for a hassle-free installation. Utilizing state-of-the-art computer-aided design technology, these headers are designed for custom, high tolerance factory fitment. 100% MIG-Welded for race-proven strength and durability.
Twisted Steel 409 Stainless Steel Short Tube Header Ford Mustang 11-17 V6-3.7L

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

Specification

Weight 12.3 kg
Dimensions 22.9 × 14.4 × 7.1 cm
air_freight_prohibited

false
not_carb_approved

true
carb_acknowledgement_required

true
ltl_freight_required

false
prop_65

Y
part_type

automotive
epa

Testing
regular_stock

t
units_per_sku

1
upc

802959483558
brand

aFe
part_number

48-43031

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