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Flowmaster 818206 American Thunder Cat-Back Exhaust System for Chevrolet, GMC (6.2)
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Key item features
- Durable Construction: Features 3.5 and 2.5-inch mandrel-bent 16-gauge 409 stainless steel tubing for maximized exhaust flow and enhanced durability, suitable for 2024-2025 GM 1500 trucks with 6.2-liter engines.
- Aggressive Sound: An acoustically tuned 50 Series HD style chambered muffler delivers a deep, aggressive to moderate performance tone, while a built-in resonance chamber eliminates interior drone.
- Performance Gains: Provides maximum increases of up to 15 horsepower and 13 lb-ft of torque over the stock exhaust at the wheels.
- Active Valve: Includes active valve control with an integrated turndown, allowing control of the factory valve from the dash for sound level adjustment across different drive modes.
- Easy Installation: The kit includes complete hardware and factory-styled hangers, utilizing stock locations for a straightforward installation process.
- Stylish Exit: Dual 2.5-inch mandrel-bent tailpipes exit in the bumper cut-out locations, finished with custom 4.5-inch black ceramic tips for a performance aesthetic.
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Specs
- Manufacturer part number818206
- Vehicle makeChevrolet
- Vehicle year2024, 2025
- Inlet diameter3.50 in
- Outlet diameter2.5 in
- Muffler typeChambered Mufflers
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About this item
Product details
Flowmaster's American Thunder Cat-back exhaust system for the 2024 to 2025 GM 1500 trucks with the 6.2-liter engine is a great way to customize your Silverado or Sierra to your personality. This performance exhaust system fits both 2/4 Wheel drive models and is manufactured from 409 stainless steel for years of trouble-free service and performance. Features include a 3.50-inch inlet pipe leading into a specialty tuned 50 Series HD style muffler for great sound and maximum performance. This cat-back system has dual 2.5-inch mandrel-bent tailpipes that exit in the bumper cut-out locations, with custom 4.5-inch black ceramic tips for a great performance look. Included in this cat-back system is active valve control with an integrated turndown. This allows you to control the factory valve from the dash with the different drive modes for full control of your sound level. Run the valve closed in the Normal drive mode, or open the valve in Sport or Off-Road mode for maximum sound. Max dyno gains of 15 hp and 13 lb-ft at the rear wheels deliver power you can feel. These systems use all the factory hanger locations and connections for an easy installation that you can do at home. Kit include installation instructions and all necessary hardware. Backed by Flowmaster's Lifetime Limited Warranty.
- 3.5 and 2.5-inch mandrel bent 16-gauge 409 stainless steel tubing maximizes exhaust flow and improves durability
- Kit includes complete hardware and factory styled hangers in the stock locations for an easy installation
- An tuned 50 Series HD style chambered muffler delivers a deep, aggressive to moderate performance tone and improves exhaust flow
- Max increases of up to 15 hp and 13 lb-ft over the stock exhaust at the wheels
- Tuned performance muffler with built in resonance chamber eliminates interior drone
- Lifetime Limited Warranty
- 818206
- New
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Specifications
Manufacturer part number
818206
Vehicle make
Chevrolet
Vehicle year
2024, 2025
Inlet diameter
3.50 in
Warranty
Warranty information
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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
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California Proposition 65
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