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How to Install Magnaflow Competition Axle-Back Exhaust on your Mustang

Installation Time

1 hours

Tools Required
  • 15mm 13mm
  • Hanger Tool (Or Pry Bar)
  • Sawzall or similar cutting tool
American Muscle
Shop Parts in this Guide



Step 1. Begin removing the OEM exhaust system by cutting both pipes going into the muffler assemblies. Measure and cut 9" forward of the welded hangers as shown. Next working front to rear extract the hangers from the rubber insulators and remove the OEM system. Retain insulators and clamps as they will be used to install the new system.


Step 2. Begin installation of the new system by attaching both Inlet Pipe Assemblies to the pipes you have just cut. Loosely secure using the supplied 2.50" clamps. Engage the welded hangers to the rubber insulators. Leave all clamps loose until final adjustment.


Step 3. Next attachboth Muffler Assemblies to the Inlet Pipe Assemblies using the supplied 3.00" clamps and fitting the hangers into the rubber insualtors


Step 4. Once a final position has been chosen for the new exhaust system, evenly tighten all clamps from front to rear using the torque specifications on page one of the instructions. Inspect all fasteners after 25-50 miles of operation and re-tighten if necessary.

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