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How to Install Magnaflow Street Cat-Back Exhaust w/ Black Quad Tips on your Mustang

Installation Time

2 hours

American Muscle
Shop Parts in this Guide

Warning: When working on, under, or around any vehicle exercise caution. Please allow the vehicle's exhaust system to cool before removal, as exhaust system temperatures may cause severe burns. If working without a lift, always consult vehicle manual for correct lifting specifications. Always wear safety glasses and ensure a safe work area. Serious injury or death could occur if safety measures are not followed.

Step 1: Begin removing the OEM exhaust system by loosening the clamps at the outlet of the catalytic converters. Working front to rear detach all hangers from the rubber insulators and remove the system from the vehicle. Retain insulators and front clamps as they will be used to mount the new system.

Step 2: Install your new MAGNAFLOW system by first attaching the two Inlet Pipes to the catalytic converter outlets using the OEM clamps. Next, slip the Muffler Sub Assemblies over inlet pipes and secure using the supplied clamps. Locate all hangers into the rubber insulators.

Step 3: With all components mounted loosely, adjust the system for overall aesthetics and clearance of frame & bodywork. (MAGNAFLOW recommends at least 1/2" of clearance between the exhaust system and any body panels to prevent heat-related body damage or fire.)

Step 4: Once a final position has been chosen for the new system, evenly tighten all fasteners from front to rear. The supplied band clamps must be VERY tight to properly align the pipes and prevent leaks (Approximately 40ft-lbs). U-bolt clamps should be tightened to approximately 30-35ft-lbs. Inspect all fasteners after 25-50 miles of operation and retighten if necessary.

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