FLOWMASTER 717967 2.0L Engine 2018-21 Jeep Wrangler JL Instruction Manual
- June 3, 2024
- FLOWMASTER
Table of Contents
FLOWMASTER 717967 2.0L Engine 2018-21 Jeep Wrangler JL
OVERVIEW
- Take a moment to read and understand these instructions before installing your Flowmaster performance system.
NOTE: Please inventory all parts now before continuing and if necessary, report any missing items to our tech line. This will avoid potentially stranding your vehicle until any missing replacement parts arrive.
| ITM # | PART # | DESCRIPTION | QTY. |
|---|---|---|---|
| 1 | 26827M | Inlet Pipe | 1 |
| 2 | 72619-563 | Muffler Assembly | 1 |
| N/A | PK1055 | Hardware Package includes: | 1 |
| 3 | MC300BS | 3″ Stainless Band Clamp | 1 |
| 4 | HW503 | 1⁄2″ Hanger Keeper | 1 |
REMOVE THE STOCK EXHAUST SYSTEM
- Raise the vehicle up on a hoist or rack to a working height. If you don’t have access to a hoist or rack, support vehicle with jack stands.
WARNING: Avoid serious burns! Allow your vehicle to cool completely before touching any factory engine components.
To ease prepare on and installation of your new kit
- Apply penetrating lubricant to mounts, bolts and clamps before you remove them.
- Use stands as necessary to support parts as you detach them from your vehicle and again as you install new parts.
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Support the muffler then unbolts and retain the isolator mounts. Loosen the clamp and remove the muffler second from the vehicle.
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Loosen ball clamp from resonator inlet, disassemble the hanger wires from isolators and remove the resonator second from the vehicle. Release tab to remove clamp from the pipe and retain it for later use.
INSTALL FLOWMASTER EXHAUST SYSTEM
- Remove nuts from stock and Flowmaster clamps, apply to seize compound to bolts, and re-install nuts.
NOTE
- The image in this step is intended for illustrative purposes only and may or may not accurately reflect the components included in your kit.
- For 2-door models only, trim 21″ from the inlet pipe.
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Place factory ball clamp (removed step 4) onto inlet pipe (1) then connect it to the catalytic converter. Orient pipe exactly as shown and tighten clamp.
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Place clamp (3) onto muffler (2) then connect it to inlet pipe. Tighten the clamp just enough to allow for adjustment.
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Adjust exhaust components for fit; maintaining 1⁄2″ clearance and compensating for suspension, travel and vibration, then tighten all clamps. Finally, fi t hanger keeper (4) onto the hanger.
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Recommended: Secure slip-fit connections with a 1-inch tack weld then spray high-temp paint over each weld to prevent rust and premature corrosion.
Congratulations, the installation of your FLOWMASTER performance exhaust system is now complete!
Installation Diagram
- 717967
- 2018-21 JEEP WRANGLER JL 2.0L ENGINE
www.flowmastermufflers.com
Technical Support: 866-464-6553
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