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Street Race Truck More... The Toolbox

For the most innovative exhaust system products in the performance automotive industry, choose Flowmaster! Flowmaster Hushpower Pro Series Mufflers deliver max power & exhaust system efficiency for performance better than open headers while delivering great sound control. These 409S stainless steel mufflers can be used on gas, diesel truck or racing applications. Get a Flowmaster Hushpower Pro Series Muffler fast with Speedway Motors' award winning service and same-day shipping!

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Flowmaster 13016100 Hushpower Pro Series Race Muffler-3 Inch In/Outlet

Universal Fit, 3" Inlet Diameter, 3" Outlet Diameter

Ships Free

Inlet Diameter: 3"

Outlet Diameter: 3"

Overall Length: 22"

Material Type: Stainless Steel

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Flowmaster 13516100 Hushpower Pro Series Race Muffler 3.5 In/Out

Universal Fit, 3.5" Inlet Diameter, 22" Overall Length

Ships Free

Inlet Diameter: 3.5"

Outlet Diameter: 3.5"

Overall Length: 22"

Material Type: Stainless Steel

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Flowmaster 15020100 Hushpower Pro Series Race Muffler-5 Inch In/Outlet

$219.99
$223.99

Universal Fit, 5" Inlet Diameter, 5" Outlet Diameter

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On Sale

Inlet Diameter: 5"

Outlet Diameter: 5"

Overall Length: 28.75"

Material Type: Stainless Steel

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Flowmaster 14020100 Hushpower Pro Series Race Muffler-4 Inch In/Outlet

$214.99
$215.99

Universal Fit, 4" Inlet Diameter, 4" Outlet Diameter

Ships Free
On Sale

Inlet Diameter: 4"

Outlet Diameter: 4"

Overall Length: 27"

Material Type: Stainless Steel

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Flowmaster 13516101 Hushpower 3 1/2 Inch Race Muffler

Universal Fit, 3.5" Inlet Diameter, 25" Overall Length

Ships Free

Inlet Diameter: 3.5"

Outlet Diameter: 3.5"

Overall Length: 25"

Material Type: Stainless Steel

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Flowmaster 13016101 Hushpower Pro Race Muffler-Inlet 3/ Outlet 3.5

Universal Fit, 3" Inlet Diameter, 3.5" Outlet Diameter

Ships Free

Inlet Diameter: 3"

Outlet Diameter: 3.5"

Overall Length: 25"

Material Type: Stainless Steel

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