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How to install a Magnaflow Muffler-Delete Axle-back Exhaust on your 2010 GT Mustang

Installation Time

1 hours

American Muscle
Shop Parts in this Guide


Warning: when working on, under, or around any vehicle exercise caution. Please allow the vehicles exhaust system is 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 occcur if safety measures are not followed.

Step 1: (Carefully read all instructions before installation)

Disconnect the vehicle's battery before removal of the OEM exhaust. This will allow the computer to reset itself with the new system, and prevent electrical accidents. Loosen the clamps that fasten the OEM mufflers to the over axle pipes. Disengage the welded hangers from the rubber insulators and remove the mufflers from the vehicle. It may be easier to unbolt the rubber insulator mount brackets and fit them to the new mufflers before attempting to install them on the vehicle.

Step 2:

Fasten the new mufflers to the over axle pipes using the supplied 2.50" clamps, making sure to line up the pegs and notches. Leave all clamps and fasteners loose for final adjustment of the complete system. If you removed the rubber hanger mount brackets, lossely reinstall them.

Step 3:

With all components mounted loosely, adjust the system for overall aesthetics and clearance of frame and bodywork. (It is recommended that at least 1/2" of clearance is maintained between the exhaust system and any body panels to prevent heat related body damage and fire.)

Step 4:

Once a final position has been chosen for the new system, evenly tighten all fasteners from front to rear. The supplied hand clamps must be VERY tight to properly align the pipes and prevent leaks (Approx. 65ft-lbs). Inspect all fasteners after 25-50 miles of operation and retighten if necessary.

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