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How to Install Roush Resonator Delete X-Pipe Kit on your Mustang

Installation Time

2 hours

Tools Required
  • 3/8" Drive Ratchet
  • 3/8" Drive Extension 3"
  • 15 mm Socket
  • Spray Lubricant (Soapy Water/Glass Cleaner)
  • Reciprocating Saw (“Sawzall”) or Equivalent Cutting Tool
  • Tape Measure
  • Marker Pen
American Muscle
Shop Parts in this Guide


1. On both the left hand (LH) and right hand (RH) sides of the exhaust, measure 5-1/2" from the rear of resonator body and mark the exhaust pipes as shown.

2. Cut the LH and RH exhaust pipes at the locations marked in step 1 using a suitable cutting tool.

3. Loosen both of the OEM sleeve clamps in front of the resonator. These clamps are to remain on the vehicle

4. Push the rear exhaust pipes out of the way as needed and remove the resonator. This conclu

Use extreme caution during installation. Torque all fasteners according to manufacturer’s torque values and tightening sequence. DO NOT use air impact tools to tighten fasteners on SLP Exhaust Systems. Use of such tools may result in bent fl anges or gasket contact areas leading to exhaust leaks. ROUSH X-PIPE INSTALLATION 1. Deburr the freshly cut exhaust pipes on the vehicle. Install the front of the X-Pipe (P/N 5-9) into the OEM sleeve clamps until they bottom out. Torque sleeve clamp 15 mm bolts to 30 Nm. Slide one (1) band clamp (P/N 10-0338) over each outlet tube on the X-Pipe.

2. Insert each rear pipe into the X-Pipe until they bottom out. Slide the band clamps (P/N 10-0338) over the joints. Torque band clamp 15 mm bolts to 30 Nm. If adjustments are necessary, loosen the band clamp bolts, make your adjustments and re-torque the band clamp bolts.

Before starting the vehicle, make sure to check all wires, hoses, brake lines, body parts, tires, and any other components for safe clearance from the exhaust system. Start the vehicle and check for any exhaust leaks. If any leaks are found, determine cause (such as insuffi cient pipe engagement, loose or incorrectly positioned clamp) and repair as necessary. Congratulations!!! You have completed the installation of the Roush X-Pipe Exhaust Kit. It is recommended that you save all parts removed from the vehicle during the installation of this kit.

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