Installation Instructions

8178192018-22 JEEP WRANGLER
2020 JEEP SAHARA WITH HYBRID
E-TORQUE OPTION
3.6L ENGINE
Fits both 2 & 4-door models.

OVERVIEW:
1. 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.

115192S

Resonator

1286505S

Front Pipe1386506SOver-axle Pipe14842583-511

Muffler

1N/A

PK964

Hardware Package includes:

15MC250BS

21/2" Stainless Band Clamp

36HW502

7/16" Hanger Keeper

3PREPARE VEHICLE FOR KIT INSTALLATION:
2. Raise vehicle up on a hoist or rack to 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
time to cool completely before touching any factory
engine components.

To ease preparation 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 detachthem from your vehicle and again as you install new parts.

Rev 02/08/22

Page 1 of 6

3.

Remove bolts (x4) securing muffler mounts on driverand passenger side. Retain for re-use.

4.

Loosen clamp at muffler inlet connection above rearaxle then remove muffler from vehicle.

5.

Place stock muffler next to muffler (4) oriented in thesame direction. Then transfer driver and passenger side
mounts over.

4817819Rev 02/08/22

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Technical Support (866) 464-6553

Page 2 of 6

6.

Remove wire hanger on resonator assembly fromisolator, and loosen bolt on clamp at resonator inlet.

7.

Remove resonator assembly from vehicle and retain
clamp for re-use.

INSTALL FLOWMASTER EXHAUST SYSTEM:
8.

Remove nuts from stock and Flowmaster clamps, apply
anti-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 reflectcomponents included in your kit.

817819Rev 02/08/22

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Technical Support (866) 464-6553

Page 3 of 6

9.

For TWO-DOOR VEHICLES ONLY, cut 211/2" off the rearend of front pipe (2).

21/2"

2

10. Place factory clamp (removed step 8) over outlet offactory pipe, connect resonator (1) to factory pipe, thentighten clamp enough to allow for adjustment.

1

11. Place clamp (5) onto resonator then connect front pipe
to it. Make sure front pipe bend is oriented upwards,
then tighten clamp just enough to allow for adjustment.

5817819Rev 02/08/22

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Technical Support (866) 464-6553

Page 4 of 6

12. Place clamp (5) onto over-axle pipe (3) then connect
it to front pipe while pushing wire hanger into rubber
isolator on vehicle. Tighten clamp just enough to allow
for adjustment.

3

5

13. Place clamp (5) onto inlet of muffler. Connect muffler
to over-axle pipe. Support muffler and ensure allconnections are completely seated.
14. Place muffler hanger mounts into position, then reinstall
and tighten factory bolts. (removed step 3).
15. Adjust exhaust components for fit; maintaining 1/2"
clearance and compensating for suspension, travel andvibration then tighten all clamps.
16. Secure exhaust system by fitting (x3) hanger keepers (6)onto each wire hanger that runs perpendicular to yourvehicles axle.
17. Recommended: Secure slip-fit connections with a 1-inchtack weld then spray high-temp paint over each weld toprevent rust and premature corrosion.

5

Congratulations, the installation of your FLOWMASTER
performance exhaust system is now complete!

817819Rev 02/08/22

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Technical Support (866) 464-6553

Page 5 of 6

Installation Diagram

8178192018-22 JEEP WRANGLER
2020 JEEP SAHARA WITH HYBRID
E-TORQUE OPTION
3.6L ENGINE
Fits both 2 & 4-door models.

1525354

Rev 02/08/22

www.flowmastermufflers.com
Technical Support (866) 464-6553

Page 6 of 6