Flowmaster American Thunder Axle-back Exhaust 2018 Wrangler JLU w/ 3.6L-Part# 818837 - Jeep Wrangler Forum
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Old 06-22-2018, 10:15 AM
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Join Date: Feb 2016
Posts: 347
Flowmaster American Thunder Axle-back Exhaust 2018 Wrangler JLU w/ 3.6L-Part# 818837

Flowmaster American Thunder Axle-back Exhaust System for the 2018 Jeep Wrangler JL Unlimited 2 & 4 Door with 3.6L Engine

Available July 1, 2018

Part# 817837

2018 Jeep Wrangler JL 2 and 4 Door models with 3.6L Engine.

Introducing Flowmaster's new American Thunder Axle-back system for the 2018 Jeep Wrangler JL is perfect for the person looking for maximum performance and ground clearance from their exhaust system. This 2.50 inch system features a 409S stainless steel mandrel bent tailpipe with a 3.00 inch polished stainless steel tip and fits both 2 and 4 door models with the 3.6L V6 engine. This system replaces the factory transverse muffler providing a moderate to aggressive sound level. This allows for better ground clearance when driving off-road. Because the tailpipe is tucked up so high, an aftermarket metal bumper is recommended. The exhaust system is manufactured in the USA. Designed for an easy fit, this system includes all necessary parts and hardware for installation.

-Stainless Steel Construction
-Provides Maximum Off-Roading Clearance
-Moderate Sound Level
-Easy Installation

Please call 707-544-4761 or visit www.flowmastermufflers.com for additional application and product information.

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Old 08-09-2018, 01:26 PM   #2
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Join Date: Feb 2016
Posts: 211
@JLWranglers Flowmaster Intake and Exhaust System Giveaway!

Our friends over at @JLWranglers are having a giveaway! The grand prize includes a FREE Flowmaster Jeep Wrangler JL Exhaust System of your choice and Delta Force Performance Air Intake valued up to $1000, courtesy of Flowmaster!

This contest is only available on Instagram, so head on over to @JLWranglers for giveaway rules and entry info.


Phone: (707)544-4761 M-F 7:30am–5pm PST, Sat./Sun. Closed
Website: www.flowmastermufflers.com Youtube: Flowmaster Inc Instagram: @flowmaster_official
Facebook: Flowmaster Mufflers INC. Twitter: @Flowmaster1
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