Description
The Flowmaster American Thunder Axle-Back Exhaust System is designed for 2007-2018 Jeep Wrangler JK models with 3.6L or 3.8L engines, 2-door or 4-door configurations. Perfect for enthusiasts who want enhanced performance, improved ground clearance, and a moderate exhaust tone, this system replaces the factory transverse muffler, reduces weight, and improves off-road capability.
Constructed from mandrel-bent 2.50-inch 409 stainless steel tubing, the system ensures optimal exhaust flow and long-term corrosion resistance. The 3.00-inch polished 304 stainless steel exhaust tip delivers a sleek appearance while maintaining a moderate, refined sound level. Designed for a direct-fit installation using factory hangers, this kit includes all necessary hardware and can be installed in about 15 minutes.
Key Features:
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Max Dyno Gains: 5 HP and 7 lb-ft torque
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High-tailpipe design for maximum off-road ground clearance
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Mandrel-bent 2.50" 409 stainless steel tubing increases flow and performance
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Polished 3.00" 304 stainless steel tip with embossed Flowmaster logo
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Moderate exhaust tone for a clean, street-legal sound
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Uses factory hanger locations for quick and easy installation
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Reduces vehicle weight by removing the factory transverse muffler
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Recommended for aftermarket metal bumper when tailpipe is tucked high
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Covered by Flowmaster Lifetime Limited Warranty
Specifications:
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Exhaust Series: American Thunder
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Muffler: Not Included
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Main Piping Diameter: 2.50" Mandrel-Bent Stainless Steel
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Tailpipe Quantity: 1
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Tailpipe Outlet Diameter: 2.50"
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Exhaust Tip Diameter: 3.00", Polished 304 Stainless Steel
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Exhaust Tip Length: 4.75"
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Sound Level: Moderate
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Mount Type: Uses Factory Hangers
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Installation: Direct-Fit Axle-Back
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System Type: Axle-Back Exhaust
Vehicle Fitment:
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2007-2018 Jeep Wrangler JK 3.6L / 3.8L
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Fits 2-Door and 4-Door Models
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Not Compatible with Muffler Included Configurations
The Flowmaster American Thunder Axle-Back Exhaust combines performance, durability, and off-road capability into a simple, direct-fit upgrade for your Jeep Wrangler JK.
