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Flowmaster 817799 American Thunder Exhaust System Kit
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Key item features
- Aggressive Sound: Features specially designed Outlaw series mufflers, providing a moderately aggressive exterior and interior tone when valves are closed, and an aggressive wide-open exterior sound when valves are open.
- Performance Tuning: Dyno tuned for maximum performance, utilizing a straight-through muffler design and large 3.00-inch mandrel-bent 409S stainless steel tubing for high flow.
- Durable Construction: Constructed entirely from stainless steel, including 409S and polished 304 stainless steel tips, ensuring durability and longevity.
- Integrated Design: Compatible with 2018-2023 Mustang GT 5.0L models equipped with the factory active performance exhaust option, using factory hanger locations and accommodating factory exhaust actuators.
- Stylish Finish: Showcases quad 4.00-inch polished 304 stainless steel tips for an aggressive aesthetic.
- Simple Installation: Designed for easy installation, including all necessary parts and hardware.
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Specs
- Vehicle makeFord
- Vehicle modelMustang GT
- Vehicle year2018
- Outlet diameter4.00 in
- Muffler typeStraight-Through Mufflers
- MaterialStainless Steel
Current price is USD$1,849.95
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| Product | Viewing this itemFlowmaster 817799 American Thunder Exhaust System Kit ![]() $1,849.95 current price $1,849.95 | Flowmaster 817282 Header-back System 409S - Dual Rear Exit - American Thunder - Aggressive Sound ![]() $1,024.95 current price $1,024.95 | Flowmaster Signature Series Exhaust System ![]() Now $888.52 current price Now $888.52, Was $966.60$966.60 | Flowmaster Signature Series Exhaust System ![]() $1,045.82 current price $1,045.82 | Flowmaster Signature Series Exhaust System ![]() $916.37 current price $916.37 | Flowmaster Signature Series Exhaust System ![]() $737.15 current price $737.15 | Flowmaster 817808 Outlaw Exhaust System Kit ![]() $1,949.95 current price $1,949.95 | Flowmaster 17104 Header-back System - Dual Rear Exit - American Thunder - Moderate Sound ![]() Now $811.59 current price Now $811.59, Was $921.95$921.95 13 out of 5 Stars. 1 reviews | Flowmaster 717869 Flow FX Exhaust System Kit ![]() $810.23 current price $810.23 | Flowmaster 717834 Flow FX Exhaust System Kit ![]() $819.95 current price $819.9515 out of 5 Stars. 1 reviews |
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| Vehicle make | FordFlowmaster 817799 American Thunder Exhaust System Kit | FordFlowmaster 817282 Header-back System 409S - Dual Rear Exit - American Thunder - Aggressive Sound | Chevrolet; GMCFlowmaster Signature Series Exhaust System | RamFlowmaster Signature Series Exhaust System | FordFlowmaster Signature Series Exhaust System | ToyotaFlowmaster Signature Series Exhaust System | FordFlowmaster 817808 Outlaw Exhaust System Kit | ChevroletFlowmaster 17104 Header-back System - Dual Rear Exit - American Thunder - Moderate Sound | GMFlowmaster 717869 Flow FX Exhaust System Kit | Dodge/RamFlowmaster 717834 Flow FX Exhaust System Kit |
|---|---|---|---|---|---|---|---|---|---|---|
| Vehicle model | Mustang GTFlowmaster 817799 American Thunder Exhaust System Kit | MustangFlowmaster 817282 Header-back System 409S - Dual Rear Exit - American Thunder - Aggressive Sound | -Flowmaster Signature Series Exhaust System | 1500Flowmaster Signature Series Exhaust System | F-150Flowmaster Signature Series Exhaust System | TacomaFlowmaster Signature Series Exhaust System | Mustang GT 5.0LFlowmaster 817808 Outlaw Exhaust System Kit | 17104Flowmaster 17104 Header-back System - Dual Rear Exit - American Thunder - Moderate Sound | SilveradoFlowmaster 717869 Flow FX Exhaust System Kit | ColoradoFlowmaster 717834 Flow FX Exhaust System Kit |
| Vehicle year | 2018Flowmaster 817799 American Thunder Exhaust System Kit | 1967Flowmaster 817282 Header-back System 409S - Dual Rear Exit - American Thunder - Aggressive Sound | 2019Flowmaster Signature Series Exhaust System | 2019Flowmaster Signature Series Exhaust System | 2021Flowmaster Signature Series Exhaust System | 2016Flowmaster Signature Series Exhaust System | 2018Flowmaster 817808 Outlaw Exhaust System Kit | 1967Flowmaster 17104 Header-back System - Dual Rear Exit - American Thunder - Moderate Sound | 2019Flowmaster 717869 Flow FX Exhaust System Kit | -Flowmaster 717834 Flow FX Exhaust System Kit |
| Outlet diameter | 4.00 inFlowmaster 817799 American Thunder Exhaust System Kit | 2.50Flowmaster 817282 Header-back System 409S - Dual Rear Exit - American Thunder - Aggressive Sound | -Flowmaster Signature Series Exhaust System | 2.50 inFlowmaster Signature Series Exhaust System | 4.50 inFlowmaster Signature Series Exhaust System | 2.50 inFlowmaster Signature Series Exhaust System | 4.00 inFlowmaster 817808 Outlaw Exhaust System Kit | 2.50 inFlowmaster 17104 Header-back System - Dual Rear Exit - American Thunder - Moderate Sound | 2.50 inFlowmaster 717869 Flow FX Exhaust System Kit | 3.00 inFlowmaster 717834 Flow FX Exhaust System Kit |
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About this item
Product details
Compatible with 2018-2023 Mustang GT 5.0L with Factory Active Performance Exhaust Valves.;
The new Flowmaster® American Thunder® Axle-back exhaust system is for 2018-2023 Ford Mustang GT coupes and convertibles with the 5.0L engine and Factory Active Performance Exhaust Option. System features include a pair of specially designed Outlaw® series mufflers giving you high flow with a moderately aggressive exterior and interior tone when the valves are closed, and an aggressive wide openexterior sound level when you open up the valves. Other features include large 3.00 in. mandrel-bent 409S stainless steel tubing for high flow, durability, and longevity. Add to that, a pair of our high-quality valves to accommodate the factory exhaust actuators for when you really want to open up the sound. The system is finished off with quad 4.00 in. polished 304 stainless steel tips for an aggressive look that demands attention, the same as the exhaust note. Includes all necessary parts, hardware and detailed instructions for an easy installation you can do at home. Covered by our Lifetime Limited Warranty. Note: Fits both coupes and convertibles.;
The new Flowmaster® American Thunder® Axle-back exhaust system is for 2018-2023 Ford Mustang GT coupes and convertibles with the 5.0L engine and Factory Active Performance Exhaust Option. System features include a pair of specially designed Outlaw® series mufflers giving you high flow with a moderately aggressive exterior and interior tone when the valves are closed, and an aggressive wide openexterior sound level when you open up the valves. Other features include large 3.00 in. mandrel-bent 409S stainless steel tubing for high flow, durability, and longevity. Add to that, a pair of our high-quality valves to accommodate the factory exhaust actuators for when you really want to open up the sound. The system is finished off with quad 4.00 in. polished 304 stainless steel tips for an aggressive look that demands attention, the same as the exhaust note. Includes all necessary parts, hardware and detailed instructions for an easy installation you can do at home. Covered by our Lifetime Limited Warranty. Note: Fits both coupes and convertibles.;
- Quad 4.00-inch Polished 304 Stainless Steel Tips
- For Vehicles With Active Performance Exhaust Option
- Aggressive Race-proven Outlaw Mufflers
- Dyno Tuned for Maximum Performance
- Uses the Factory Hanger Locations
- Full Stainless Steel Construction
- Straight-through Muffler Design
- Lifetime Limited Warranty
- Easy Installation
info:
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Specifications
Vehicle make
Ford
Vehicle model
Mustang GT
Vehicle year
2018
Outlet diameter
4.00 in
Warranty
Warranty information
Limted Lifetime
Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.
Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.
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Warnings
Warning Text
California Proposition 65
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