Talk to a Mustang Sales Tech
1-877-887-1105
M-F 8:30A-11P, Sat-Sun 8:30A-9P
$20K Sweeps! 10 Chances to Win! Enter Daily >

Best Sellers

AFE Mach Force-XP 3 in. Cat-Back Exhaust w/ X-Pipe - Black Tips - Fastback (15-17 GT)

Installation Time

2 hours

American Muscle
Shop Parts in this Guide

Step 1: Disconnect the battery from the vehicle.


Step 2: Securely support the vehicle on a lift or on jack stands with at least 24 inches of clearance from the frame rail to the ground.

Step 3: Loosen both driver and passenger side factory clamp sleeve located right before the factory exhaust resonator.

Step 4: Remove the Driver and Passenger side hanger brackets.

Step 5: Remove the factory exhaust system.

Step 6: Remove the factory exhaust hanger brackets and install them onto the aFe performance exhaust system.

Step 7: Install the aFe reduced extension pipes to the factory exhaust converter pipes using the provided clamps. (Note: If equipped with aFe Performance headers install the high flow 3” extensions pipes for full exhaust performance and sound).

Step 8: Install aFe X-pipe using provided clamps. Do not tighten at this time. (Note: *Afe Power badge should be on the passenger side)

Step 9: Connect the left and right muffler assemblys using provided clamps. Do not tighten at this time.

Step 10:  Install the combined left and right muffler assembly. 

Step 11: Adjust exhaust before tightening.

Step 12: Tighten all clamps.

Step 13: Re-connect the battery.

Step 14: Re-check all your work. Check system and re-tighten after 150 miles. Thank you for choosing aFe Power!

Best Sellers