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Flowmaster Axleback System 409S - Single Rear Exit - Force II - Mild Sound Jeep Wrangler 2007-2011 3.8L V6

$436.00 Sale:$391.95


Model #817437

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This product is for Racing Competition only and is not legal for use in highway or street vehicles or other non-racing competition off-road vehicles.

Purchasing this product requires you to sign our Vehicle Compliance Waiver here.

This Flowmaster Force II® Axleback system is designed for the 2007-2011 Jeep Wrangler JK's and replaces the original transverse muffler located behind the rear axle using factory connections. Constructed of 409S stainless steel, the system is mandrel-bent for maximum performance and features a Super 50™ Series performance muffler. The system delivers a moderate exterior and moderate to mild interior tone that is suited to customers looking for engine efficiency improvements without a lot of noise. Like all Flowmaster® systems, the benefits include improved throttle response, power and mileage. Designed for an easy fit, these systems include all necessary parts and hardware for easy installation.


  • Includes Hangers and Hardware for an Easy Installation
  • Mandrel-bent 16 Gauge Stainless Steel Tubing
  • Dyno Tuned for Maximum Performance
  • Uses the Factory Hanger Locations
  • Mild Exterior Exhaust Tone
  • Lifetime Limited Warranty
  • 2WD/4WD: 2WD/4WD
  • California Proposition 65 Chemical Name: Chromium (hexavalent compounds)
  • California Proposition 65 Chemical Name: Nickel (Metallic)
  • California Proposition 65 Required: Yes
  • Emission Code: 5
  • Exhaust Series: Force II
  • Exit Position: Single Rear Exit
  • Heat Shield: No
  • Inlet Diameter (in): 2.5
  • Material: Stainless Steel
  • Muffler Part Number: Kit Only
  • Muffler Quantity: 1
  • Muffler Series: Super 50 Series
  • Outlet Diameter (in): 2.5
  • Product Type: Exhaust Systems / Kits
  • Single Dual: Single
  • Sound Level: Mild Sound
  • System Type: Axleback System
  • Tip Diameter (in): 3
  • Tip Quantity: 1
  • Tubing Diameter (in): 2.5
  • Warning: California Proposition 65
  • Fits 2007-2011 Jeep Wrangler JK, 3.8L engine and 2/4 door models.

Proposition 65

/!\ warningWARNING: Cancer and Reproductive Harm

Vehicle Engine Notes
Jeep Wrangler
6 Cylinder 3.8 Liter
Jeep Wrangler
6 Cylinder 3.8 Liter
Jeep Wrangler
6 Cylinder 3.8 Liter
Jeep Wrangler
Unlimited Rubicon
6 Cylinder 3.8 Liter
Jeep Wrangler
Unlimited Sahara
6 Cylinder 3.8 Liter
Jeep Wrangler
Unlimited Sport
6 Cylinder 3.8 Liter
Jeep Wrangler
Unlimited X
6 Cylinder 3.8 Liter
Jeep Wrangler
6 Cylinder 3.8 Liter

This catalytic converter is warranted to be free from defects in materials andworkmanship subject to the exclusion and conditions set forth below and subject to the durational limits in this paragraph. This catalytic converter has been designed and manufactured and is warranted to meet federal Environmental Protection Agency emission requirements for 25,000 miles. The stainless steel body and the nipples alone are warranted for 5 years or 50,000 miles, whichever comesfirst. At the conclusion of the 5 year/50,000 mile or 25,000 mile period, whichever is applicable, all liability under this limited warranty shall terminate.

For full warranty information Click Here

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