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Flowmaster

Flowmaster American Thunder Cat-back Exhaust System

2007-2018 Jeep Wrangler JK 2dr/4dr with 3.8L or 3.6L engine.

Part # 817674
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$542.95
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The new Flowmaster American Thunder cat-back exhaust system for the 2007-2018 Jeep Wrangler JK is perfect for the person looking for maximum performance and off-road ground clearance. This system replaces the factory transverse muffler and relocates the Super HP-2 muffler behind the factory catalytic converter, providing a moderate to aggressive sound level. The system features a mandrel-bent 2.50-inch stainless steel tailpipe with a 3.00-inch polished stainless steel tip tucked up high under the rear bumper for maximum clearance. Fits both 2 and 4 door models with either the 3.8L or 3.6L engines. Because the tailpipe is tucked up so high, an aftermarket metal bumper is recommended. The exhaust system is covered by our Lifetime Limited Warranty and includes all necessary parts and hardware for an easy installation you can do at home.

Features:

  • Provides Maximum Clearance for Off-Road Driving
  • Super HP2 Laminar Flow Technology
  • Uses the Factory Hanger Locations
  • Stainless Steel Construction
  • Quick and Easy Installation
  • Lifetime Limited Warranty

About Flowmaster

Flowmaster® is a household name, and for good reason. They've built legendary exhaust systems and mufflers for decades, and now offer performance air intakes, catalytic converters, and headers to give your hot rod performance to match the iconic Flowmaster sound.

2WD/4WDRWD/4WD
Brand Flowmaster
Emission Code5
Exhaust SeriesAmerican Thunder
Exit PositionSingle Rear Exit
Heat ShieldNo
Inlet Diameter (in)2.5
Material409 Stainless Steel
Muffler Part NumberKit Only
Muffler Quantity1
Muffler SeriesSuper HP-2
Outlet Diameter (in)2.5
Product TypeExhaust System
Single DualDual
Sound LevelAggressive / Moderate
System TypeCat-back
Tip Diameter (in)3
Tip Length (in)3.75
Tip Quantity1
Tubing Diameter (in)2.5
UPC700042030385
California Proposition 65 Chemical NameChromium (hexavalent compounds)
Nickel (Metallic)
California Proposition 65 RequiredYes
Part Number817674
5

This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.

Fits 2007-2018 Jeep Wrangler JK 2dr/4dr with 3.8L or 3.6L engines.
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Some parts are not legal for use in California or other states with similar regulations.