Mustang Ford Racing GT Resonator Delete X-Pipe (2015) Installation Instructions

Tools Required:
  • 1/2-inch & 3/8-inch Ratchet
  • 6-inch Extension
  • 13mm Socket
  • 15mm Socket
  • 9/16-inch Socket
  • Flat Head Screw Driver
  • File
  • Hammer
  • Sawzall
  • Tape Measure
  • Black Marker
  • Lift or Jack/Jack Stands
Install Difficulty:
  • Moderate
  • Moderate Project
1. To start the installation of your new Mustang Ford Racing M-5251-M8 Resonator Delete X-Pipe, safely lift the vehicle either with a lift or a jack and jack stands. This installation will utilize a jack and jack stands.
2. Begin by loosening the bolts holding the exhaust hangers near the Mustang differential with a 13mm socket.
Mustang Ford Racing Resonator Delete X-Pipe Install Image
3. Lift up on the Mustang exhaust hangers to unhook them from the subframe.
Mustang Ford Racing Resonator Delete X-Pipe Install Image
4. While at the rear of the vehicle, take rags and stuff them between the top of the Mustang exhaust tips and the rear valence. This will help to protect the tips from being scratched when dropping the exhaust.
Mustang Ford Racing Resonator Delete X-Pipe Install Image
5. Loosen the bolts to the front clamps of the resonator with a 15mm socket.
Mustang Ford Racing Resonator Delete X-Pipe Install Image
6. Using a flat head screw driver, lift on the front of the clamp to clear the stud. Proceed to slide the clamp back as far as possible by hand.
Mustang Ford Racing Resonator Delete X-Pipe Install Image
7. Place a jack under the resonator. This will help to keep the exhaust from dropping to the floor. Slide the resonator back and lower to the ground. Pull the jack out from under the resonator.
Mustang Ford Racing Resonator Delete X-Pipe Install Image
8. Measure 4 inches from the rear of the resonator and draw a line on each pipe. Repeat for the other side.
Mustang Ford Racing Resonator Delete X-Pipe Install Image
9. Place the jack under the existing Mustang exhaust. This will help to keep the pipe from collapsing on your cut, therefore kicking your sawzall out. Proceed to make both cuts. File the edges of the fresh cut pipes.
Mustang Ford Racing Resonator Delete X-Pipe Install Image
10. Pull the resonator out from under the vehicle. Pull the clamps off the front.
Mustang Ford Racing Resonator Delete X-Pipe Install Image
11. Place the clamps on the piping coming from the front. Push on until they are over the studs.
Mustang Ford Racing Resonator Delete X-Pipe Install Image
12. Pull the new Ford Racing clamps out of the packaging. Disassemble the end as shown.
Mustang Ford Racing Resonator Delete X-Pipe Install Image
13. Pull the end around and reassemble, leaving the nuts loose.
Mustang Ford Racing Resonator Delete X-Pipe Install Image
14. Slide the Mustang X-pipe into position. Use the hammer to tap the end of the X-pipe to ensure it is fully seated. Slide the new clamps onto the end of the pipe. Lift up on X-pipe and existing piping, then slide the clamps into position. Use a jack if you need assistance lifting everything into position. Reinstall the rear exhaust hangers into the subframe.
Mustang Ford Racing Resonator Delete X-Pipe Install Image
15. Snug the nuts down for the front clamps and new rear clamps. Torque the front clamps to 40 ft./lbs, and the rears to 35 ft./lbs. Go through the entire system, aligning it along the way to ensure proper alignment of the tips at the rear valance.
Mustang Ford Racing Resonator Delete X-Pipe Install Image
16. Remove the rags at the tips, lower the car the ground, and enjoy your new Mustang Ford Racing Resonator Delete X-Pipe. Re-torque all of the clamps after 5 heat cycles.