Flowtech® (11-14) Mustang GT 409SS 2.5" Axle-Back System

  • Sale
  • Regular price $320.95

Compatible: (5.0L)

2011 - 2014 Ford Mustang GT Coupe/Convertible


This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.

Flowtech Exhaust Products are the perfect combination of quality and value. We are proud to offer our 11-14 Mustang V8 Axle Back in a Non-Muffled version. This 2.5" system is engineered to offer both premium fitment and maximum performance from your 5.0L engine.


  • 2.5" diameter polished stainless steel construction maximizing strength and durability
  • Non-muffled designed offers aggressive sound
  • 4” polished 304 stainless steel, dual wall exhaust tips
  • Quality welds for strength, longevity and good looks
  • Tube geometry designed for hassle-free installation
  • Utilizes OEM mounting points for factory-like fitment

Application 2011-2014 Mustang 5.0L
Brand Flowtech
Emission Code 5
Exhaust Series Flowtech
Finish Polished
Material 409 Stainless Steel
Muffler Type None
Product Type Exhaust System
Sound Level Aggressive
System Type Axle-back
Tube Diameter 2.5 inch
Tubing Diameter (in) 2.5
Part Number 12137RFLT

Install Guide: