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Looking for the most aggressive sound in the Flowmaster muffler line? Then take a look at these 40 series Flowmaster mufflers. Designed for use on street and strip vehicles, they take the sound waves produced in the exhaust, and cancel them against angled baffles built into the muffler case. This improves both horsepower and fuel economy. Best of all, these Flowmaster mufflers allow you to hear that cool Flowmaster tone inside of the vehicle, as well as outside of it. So, if you want more power and less noise, then you've gotta get these Flowmaster mufflers.
Warranty
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Suggested Parts: Parts that may improve the performance or installation of part number FLO-42543.
Results 1-7 of 7
Exhaust Clamp, U-Bolt, Stainless Steel, 2.5 in. Diameter, Each
Part Number: BOR-18250
Estimated Ship Date: 5/29/2012
Exhaust Hanger, Steel, 9.5 in. Long, Clamp-On, Universal, Each
Part Number: SUM-630550
Exhaust Tubing, Straight, 2 1/2 in. Diameter, 4 ft. Length, 16-Gauge, Steel, Aluminized, Each
Part Number: SUM-640025
Exhaust Clamp, U-Bolt, Steel, 2.500 in. Diameter, Each
Part Number: SUM-G4625
Exhaust Clamp, Band-Style, Lap Joint, Stainless Steel, 2.500 in. Diameter, Each
Part Number: WLK-33226
Exhaust Clamp, Band-Style, Butt Joint, Stainless Steel, 2.500 in. Diameter, Each
Part Number: WLK-33240
Part Number: WLK-35103
Muffler, American Thunder 40 Series, 2 1/2 in. Inlet/2 1/2 in. Outlet, Steel, Aluminized, Each
Muffler, American Thunder 40 Series, 2 1/4 in. Inlet/2 1/4 in. Outlet, Steel, Aluminized, Each