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Flowmaster American Thunder Cat-Back Exhaust System

Flowmaster American Thunder Cat-Back Exhaust System

Part # 818107

Fits 2012-2021 Jeep Grand Cherokee 6.4-liter, American Thunder Cat-Back 3.0-inch Stainless Steel Exhaust System, 4.0-inch Polished Stainless Steel Tips, Dual Out Rear Exit

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Flowmaster introduces our American Thunder stainless steel cat-back exhaust system for the 2012-2021 Jeep Grand Cherokee with the 6.4-liter Hemi engine. This system uses Super 44 series mufflers and tuned resonators for an aggressive to moderate sound level and increased performance. Mandrel bent 3.00-inch 409 stainless steel tubing allows for maximum exhaust flow and durability. The system uses larger 4.00-inch polished stainless steel tips for a custom look. Max dyno gains of 6 hp and 9 lb-ft at the rear wheels over stock. All of the necessary hardware is included, and factory-mounting locations are used for an easy installation. Backed by Flowmaster's Lifetime Limited Warranty.

Features:

Super 44 Series performance mufflers and resonators offer an aggressive to moderate sound level and increased performance
409 stainless steel construction delivers extra durability and improved long-term corrosion resistance
Max dyno gains of 6 hp and 9 lb-ft at the wheels
3.00-inch 16-gauge mandrel bent stainless steel tubing helps maintain maximum exhaust flow for better power
Includes all necessary hardware for an at home installation
4.00-inch polished stainless steel tips add a custom look to the vehicle
Uses factory hanger locations for easy installation
Tuned resonators minimize interior sound level for comfort
Scavenger X-Pipe increases exhaust pulse velocity and improves torque

About Flowmaster

Shop the complete line of Flowmaster products for exhaust systems, mufflers, and more that deliver the iconic Flowmaster sound. Available at Holley.com!

Brand	Flowmaster
California Proposition 65	Yes
CARB (California) Compliant	Yes
Catalytic Converter Included	No
Catalytic Converter Quantity	0
Category	Exhaust
Clamps Included	Yes
Emission Code	5
Exhaust Series	American Thunder
Exhaust Tip Cut	Angle
Exhaust Tip Diameter	4.00 IN
Exhaust Tip Edge	Rolled
Exhaust Tip Finish	Polished
Exhaust Tip Length	5.25 IN
Exhaust Tip Material	304 Stainless Steel
Exhaust Tip Quantity	2
Exhaust Tip Shape	Round
Exit Style	Dual Out Rear
Finish	Natural
Grade Type	Performance
Hangers Included	Yes
Main Piping Diameter	3.00 IN
Mount Type	Uses Factory Hangers
Muffler Body Length	13.00 IN
Muffler Body Material	409 Stainless Steel
Muffler Body Shape	Oval
Muffler Color	Black
Muffler Finish	Black High-Temperature Paint Finish
Muffler Included	Yes
Muffler Inlet Inside Diameter	3.00 IN
Muffler Inlet Location	Offset
Muffler Outlet Diameter	3.00 IN
Muffler Outlet Location	Offset
Muffler Overall Length	42.10 IN
Muffler Part Number	Kit Only
Muffler Quantity	2
Muffler Series	Super 44
Muffler Type	Reflection
Part Type	Exhaust System
Pipe Color	Silver
Pipe Material	409 Stainless Steel
Product Type	Exhaust System
Sound Level	Aggressive / Moderate
Tail Pipe Quantity	Dual
Tip Logo	Embossed
Type	Cat-Back
UPC	090127136867
California Proposition 65 Chemical Name	Chromium (hexavalent compounds)
	Nickel (Metallic)
Part Number	818107

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.

Instructions - fm_warranty_general.pdf

Instructions - 818107_instructions.pdf

*Free Shipping and Handling only offered to the contiguous US on orders over $149, excludes clearance parts and oversized packages.

Some parts are not legal for use in California or other states with similar regulations.