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Flowmaster American Thunder exhaust systems are designed with the latest exhaust technology available--resulting in improved acceleration, passing power, and fuel mileage. A key to these performance upgrades is Flowmaster's use of mandrel-bent tubing, which allows superior exhaust gas flow. The systems also feature mufflers (single or dual) that deliver plenty of the rich Flowmaster sound you expect. Components are built from stainless steel or aluminized steel; and some models include tips. American Thunder exhausts are available in more than a hundred configurations for fitment on specific truck and car applications.
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$1,199.95
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$1,799.95
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Flowmaster Outlaw Series exhaust systems are mandrel-bent for maximum performance and include specially designed mufflers. They deliver bold, dynamic interior and exterior tones for enthusiasts who covet the most aggressive components available. These systems include hardware and tips, where applicable--so installation is quick and easy. The kits are available in dozens of configurations for fitment on specific vehicles, including standard, crew, extended, and extended crew truck cabs; and long or short bed lengths. Order the Flowmaster Outlaw model designed for your application.
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$1,899.95
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Flowmaster FlowFX exhaust systems are a "sound" choice for your vehicle. Delivering a moderately aggressive tone, they're built with bright 409S stainless steel tubing, and FlowFX straight-through mufflers with large cores for maximum performance and a deep sound. Many systems also include 304 stainless steel tips finished in a black ceramic coat or polished, and embossed with the Flowmaster logo. Flowmaster FlowFX exhaust systems are designed for ease-of-installation, and include all necessary parts, hardware, and detailed instructions. Choose the style, pipe size, muffler quantity and configuration for best fitment on your vehicle.
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$1,099.95
$329.95
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$1,699.95
Flowmaster pipe kits are just like the Flowmaster exhaust systems except they don't include mufflers. This allows more flexibility in choosing the right sound for your vehicle while still providing the convenience of a pre-bent exhaust system.
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$549.95
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Flowmaster Stainless Steel American Thunder exhaust systems have been designed with the latest exhaust technology available. Through this technology, you will experience improvements in acceleration, passing power, and fuel mileage. The key to these performance improvements is Flowmaster's use of mandrel-bent tubing. Their tubing allows for superior exhaust gas flow, while their stainless steel construction allows for their corrosion-resistant qualities. These American Thunder exhaust systems also feature a stainless steel muffler(s) that'll give you plenty of Flowmaster sound.
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$1,099.95
$189.95
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$1,649.95
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Flowmaster U-Fit dual pipe kits come complete with all of the exhaust pipes that you need to build a custom dual exhaust system. U-Fit kits feature: * Front adapter pipes * Intermediate pipes * H-pipe assembly * Over-the-axle pipes * Slip fit connections * Mandrel-bent, 16-gauge tubing * Hardware and mufflers not included
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$599.95
Flowmaster Delta 40/Outlaw tandem exhaust systems are part of their American Thunder Series of performance. These systems use various chambered mufflers, in this case, dual Delta 40 and Outlaw mufflers, to achieve the performance gains and aggressive sound that you want from your car, inside and out. The kits include functional exhaust valves to work with the OE actuator motors to select between sound levels. They are manufactured with 409S stainless steel and finished off with double-walled and polished 304 stainless steel tips. Create powerful, aggressive sound quality in track mode, while maintaining a mellow tone in stealth mode with Flowmaster Delta 40/Outlaw exhaust systems.
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$1,629.95
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Flowmaster Force II exhaust systems are engineered with the latest technology for improvements in acceleration, passing power, and fuel mileage. The key to these performance enhancements is the use of mandrel-bent tubing. Force II assemblies are available in dozens of muffler and pipe configurations for fitment on thousands of year/make/model cars and trucks. Choose the size and style that's compatible with your engine type.
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$899.95
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Flowmaster Signature Series exhaust systems are manufactured from brushed 304 stainless steel for years of trouble-free service and high-end good looks. These premium systems are fitted with Flowmaster's Signature Series mufflers for maximum performance and sound, along with black chrome tips (not on all systems), delivering exhausts that look as good as they sound. They are hand TIG welded for exceptional strength and can be easily installed utilizing factory mounting points. Select the system designed for your vehicle.
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Flowmaster Outlaw Extreme exhaust systems provide maximum sound level and performance. These race-oriented systems feature 409S stainless steel construction—and their small, lightweight Outlaw mufflers. The mufflers generally produce more power than open headers, while taking "the edge" off the open-header sound, but still producing very aggressive tones, both inside and outside your vehicle. Flowmaster Outlaw Extreme exhaust systems are race-proven and the perfect choice at race tracks requiring mufflers, but without dB restrictions.
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Flowmaster American Thunder axle-back resonator delete kits feature mandrel-bent 3.00 in. 409 stainless steel tubing that provides your car with a moderate increase in exterior sound and a pleasant interior growl at cruising speeds. Designed for any easy fit, American Thunder axle-back resonator delete kits include all the necessary parts and hardware. Installation requires cutting the factory tailpipes just behind the factory exhaust valves, and then simply sliding the slip-fit tailpipes over the factory pipes and clamp into place. The tailpipes re-use the factory hangers and exit back through the rear valance for a factory appearance. Kits are available with or without tips included.
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$415.95
On Sale
These stainless steel Force II exhaust systems have been designed with the latest exhaust technology available. Through this technology, you will experience improvements in acceleration, passing power, and fuel mileage. The key to these performance improvements is the use of mandrel-bent tubing. The tubing allows for superior exhaust gas flow, while stainless steel construction has been utilized for its corrosion-resistant qualities.
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Flowmaster Force II cat-back exhaust systems have been designed using the latest technology available--providing improved acceleration, passing power, and fuel mileage. The key to these performance upgrades is the use of mandrel-bent tubing, which allows for superior exhaust gas flow. The Force II systems are built with aluminized steel to resist corrosion. Order the exhaust fitment for your particular make and model.
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$1,049.95
$682.95
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$1,249.95
Flowmaster FlowFX Extreme exhaust systems deliver 409 stainless steel construction for extra durability and improved long-term corrosion resistance, plus a deep powerful sound and increased performance thanks to the FlowFX Series performance mufflers. These cat-back exhaust system are built with 3.0 in. mandrel-bent 409 stainless steel tubing that help maintain maximum exhaust flow for better power and durability. They are designed with turndown-style dumps that exit right after the muffler eliminating the over-axle tailpipe. This elimination helps to improve ground clearance and departure angle when you are driving in more extreme off-road situations. Flowmaster FlowFX Extreme exhaust systems use factory hanger locations, and all of the necessary hardware is included for an easy installation. The systems are backed by a Lifetime Limited Warranty.
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$349.95
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$489.95
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Flowmaster FlowFX mufflers feature mandrel-bent bright stainless steel tubing, mated to specially designed straight-through for great sound and maximum performance. FlowFX 409 stainless steel mufflers deliver a moderate to aggressive interior and exterior sound level that will appeal to anyone looking for a deep, powerful exhaust note.
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$399.95
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