Many orders ship free — you always see your exact shipping cost before you pay
Yittzy
Flowmaster 18 Wrangler JL Unlimited 3.6l Catback System 409sssoroutlaw
Hover to zoom
Flowmaster

Flowmaster 817818 — 18 Wrangler JL Unlimited 3.6l Catback System 409sssoroutlaw

In Stock — Ready to Ship
MPN: 817818UPC: 700042038220
$615.00$719.68SAVE 15%
Starting at $52/mowithaffirm
Manufacturer's Limited Lifetime Warranty
Fits:Wrangler JK2007-2018Wrangler JKU2007-2018Wrangler JL2019-2026Wrangler JLU2018-2026Wrangler JL SportWrangler JL SaharaWrangler JL RubiconWrangler JL 392Wrangler 4xe2021-2026Wrangler JL WillysWrangler Unlimited JL2018-2018Wrangler JL2018-2018Wrangler JT2019-2019Wrangler JL2019-2026

Jeep Wrangler JL Unlimited Rubicon 2018-2026 Jeep Wrangler JL Unlimited Rubicon 392 2021-2026 Flowmaster Outlaw Cat-back Exhaust System.

1

Secure Checkout

SSL Encrypted

Easy Returns

30-day policy

Guaranteed Fitment

Or your money back

Pay Over Time

With Affirm

Ships in 2 business days

Jeep Wrangler JL Unlimited Rubicon 2018-2026 Jeep Wrangler JL Unlimited Rubicon 392 2021-2026
Flowmaster Outlaw Cat-back Exhaust System

Earn 615 Yittzy Rewards points with this purchase — 1 point per $1 spent. Join free

Installation Overview

Difficulty
🔧🔧🔧⚪⚪
Intermediate
Est. Time
2-6 hrs
Skill Level
Intermediate
Pro Install
Optional
Common Tools: Socket set, Screwdriver set, Torque wrench
Read our Performance Upgrades Guide →

Compare Exhaust System Kit Options

See how this product compares at different price points

Budget Pick
Jeep Cat Back Exhaust System Single Rear Exit Armor Lite Series For 18-Up Wrangler JL 2/4 Door 2.0L, 3.6L MBRP

MBRP Exhaust

Jeep Cat Back Exhaust System Single Rear Exit Armor Lite Series For 18-Up Wrangler JL 2/4 Door 2.0L, 3.6L MBRP

$339.99

Best Value
Current
18 Wrangler JL Unlimited 3.6l Catback System 409sssoroutlaw

Flowmaster

18 Wrangler JL Unlimited 3.6l Catback System 409sssoroutlaw

$615.00

Premium Pick
18 Wrangler JL 3.6l v6 At/Mt 2+4wd 4DR s rd rl AC sr Touring 2.50in Tip: 3.5in rd x 6.0in

Borla

18 Wrangler JL 3.6l v6 At/Mt 2+4wd 4DR s rd rl AC sr Touring 2.50in Tip: 3.5in rd x 6.0in

$995.99

Buying Guides

Jeep Performance Upgrades GuideJeep Exhaust System Buyer's Guide: Cat-Back, Axle-Back, and Headers
Compare Exhaust System KitBest Exhaust System Kit →

Related Articles

Guide to Idaho Jeep Safari 2026 in McCall, ID

Jeep Culture · Aug 1, 2026

Guide to Wisconsin Dells Jeep Invasion 2026

Jeep Culture · Aug 1, 2026

Guide to Pennsylvania Jeep Heritage Festival 2026

Jeep Culture · Aug 1, 2026

You May Also Like