2018-2020 Jeep Wrangler JL V6, 3.6L & L4 – 2.0L Turbo
Blackheart High-Clearance Axle-Back Exhaust System
BH5410Installation Instructions

Thank you for making HOOKER HEADERS your choice in a high-performance exhaust system. Extensive dyno/track testing has
enabled HOOKER to offer the most advanced design in exhaust systems. The installation, while not complex, will take a certain amountof time. However, the additional horsepower and improved performance will more than justify your efforts. Proper installation andmaintenance will ensure long life and maximum performance from your HOOKER HEADER exhaust system.

BEFORE STARTING:
This installation can be performed with the vehicle on the ground. The vehicle must be on a solid level surface with transmission inpark, set the parking brake, and block all 4 wheels to prevent the vehicle from rolling unexpectedly. The use of a vehicle floor hoist
rated for the vehicle weight and application is ideal and recommended. Please read these instructions in their entirety before attempting
installation.
CAUTION! WORK ONLY ON A LEVEL SURFACE. USE JACKS/JACK STANDS OF SUFFICIENT CAPACITY TO LIFT ANDSUPPORT YOUR VEHICLE. NEVER WORK UNDER A VEHICLE SUPPORTED BY A FLOOR OR BUMPER JACK.

INCLUDED HARDWARE:
P/N
556R22599R94
516R77
Parts List:

Qty.
22211Description
Band Clamp, 2.5” x 1.25” Wide, SS Torca
Decal, BlackHeart 4” x 2”
1/2” 2-Hole Rubber Isolator
Muffler Assembly
Tailpipe

Check the hardware package. If anything is missing, please contact Technical Service at 1-866-464-6553 or 270-781-974

INSTALLATION:
1.

Disconnect the negative cable from the vehicle battery.

2.

If necessary, lift the vehicle and secure on jack stands.

3.

From under the vehicle, loosen the band clamp securing the OE muffler section to the OE mid-pipe.

14.

Remove the OE muffler section by sliding it off the (x2) rubber isolation mounts and slide the OE muffler section connection pipe off
the over-axle pipe. Spray the slip connection and rubber isolators with WD-40® to assist with this process.

5.

Install (x1) supplied 2.5” band clamp on to the Blackheart axle-back inlet pipe and install the muffler section onto the over-axle pipeof the vehicle exhaust. Tighten the clamp to allow for adjustment.

6.

Slide the rubber isolator on to the driver’s side muffler hanger. Support the muffler.

7.

Install (x1) supplied 2.5” band clamp on to the muffler outlet pipe. Insert the tailpipe into the muffler, and install the tailpipe hanger
into the rubber isolator on the passenger’s side of the vehicle. Tighten the clamp to allow for adjustment

8.

Align the Blackheart Axle-Back Exhaust System desired position and tighten the (x2) band clamps.

9.

Connect the battery, start the engine, and check for leaks.

10. Re-check your work.
11. Remove the jack stands and lower the vehicle (if applicable).
12. After 150 miles, re-check and tighten all bolts and clamps.
NOTE: It is normal for the Blackheart Exhaust System to emit smoke for the first few minutes during break-in period

Installed
LIMITATION OF LIABILITY – DISCLAIMER:
The regulation of emissions production, noise levels, and safety standards is undertaken by the federal government, each of the fifty state legislatures,and by many local municipalities, towns, and counties.
HOOKER™ makes no warranties of merchantability, of fitness for particular purpose, or that its products are approved for general use, or that its
products comply with laws, regulations, or ordinances in the state where they may be sold to the ultimate purchaser, the consumer.
Unless expressly stated to the contrary in the catalog, instruction sheet; or price list, the entire risk as to the conformity of any company product in any
such state and as to repair should the product prove to be defective or non-conforming, is on the retail purchaser, the buyer, the ultimate consumer, ofsuch product and it is not upon the seller, distributor, or manufacturer.
In this connection, the retail purchaser, the buyer, the ultimate consumer assumes the burden of the entire cost of any and all necessary service,alterations, or repair.
THE FOREGOING STATEMENT LIMITS THE LIABILITY OF THE MANUFACTURER.
California vehicle code, sections 27156 and 38391, prohibits the advertising, offering for sale, or installation of any device, which modifies a vehicle’s
emission control system, unless exempted, unless otherwise noted. HOOKER™ Headers that have not received an Executive Order (E.O.) exemption
from these code sections are not legal for sale or use in California on vehicles originally equipped with catalytic converters, except for racing vehicles,
which may never be driven upon a highway. Check with your local authorities to determine if these headers are legal for use in your particular area.

© 2018 Hooker Headers, Inc. All rights reserved. Tous Droits Réservés.

199R11573
Revision Date: 8-12-20
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