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$71.69
Flowmaster Flow FX Muffler Flow FX Muffler - 3.00 Center In/3.00 Center Out - Straight Through Performance - Moderate Sound - Stainless Steel - 71249
Extreme Power House
$71.69
Flowmaster Flow FX Muffler Flow FX Muffler - 3.00 Center In/3.00 Center Out - Straight Through Performance - Moderate Sound - Stainless Steel - 71249
Extreme Power House
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3 Inch Flowmaster Flowfx Mufflers - 409 Stainless Steel | Flowmaster 72288
Summit Racing
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3 Inch Flowmaster Flowfx Mufflers - 409 Stainless Steel | Flowmaster 72469
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3 Inch Flowmaster Flowfx Mufflers - 409 Stainless Steel | Flowmaster 72469
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Flowmaster Muffler Flow FX (3.5" Center In / 2.5" Dual Out) Straight Through Performance 72587
Redline360.com
160
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Flowmaster Muffler Flow FX (3.5" Center In / 2.5" Dual Out) Straight Through Performance 72587
Redline360.com
160
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Flowmaster Flow FX Muffler Flow FX Muffler - 3.50 Center In/2.50 Dual Out - Straight Through Performance - Moderate Sound - Stainless Steel - 72587
Extreme Power House
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Flowmaster Flow FX Muffler Flow FX Muffler - 3.50 Center In/2.50 Dual Out - Straight Through Performance - Moderate Sound - Stainless Steel - 72587
Extreme Power House
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Flowmaster Flow FX Muffler 3.5" Inlet & Outlet | 74151
Thoroughbred Diesel
6
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Flowmaster Flow FX Muffler 3.5" Inlet & Outlet | 74151
Thoroughbred Diesel
6
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3 Inch Flowmaster Flowfx Mufflers - 409 Stainless Steel | Flowmaster 71229
Summit Racing
66
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66
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Flowmaster Muffler Flow FX (3" Dual In / 3" Dual Out) Straight Through Performance 72469
Redline360.com
17
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Flowmaster Muffler Flow FX (3" Dual In / 3" Dual Out) Straight Through Performance 72469
Redline360.com
17
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2.25 Inch Flowmaster Flowfx Mufflers - 409 Stainless Steel | Flowmaster 71415
Summit Racing
16
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2.25 Inch Flowmaster Flowfx Mufflers - 409 Stainless Steel | Flowmaster 71415
Summit Racing
16
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Flowmaster 952549 Super 40 Series Chambered Muffler
Amazon.com
5
Free shipping
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Flowmaster 952549 Super 40 Series Chambered Muffler
Amazon.com
5
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Flowmaster Muffler Flow FX (2.5" In / 2.5" Out) Round Body Stainless Steel 71416
Redline360.com
1K+
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Flowmaster Muffler Flow FX (2.5" In / 2.5" Out) Round Body Stainless Steel 71416
Redline360.com
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RAM 1500 Flowmaster Flowfx Center/Dual Oval Muffler 3-Inch Inlet/2.50-Inch Outlet (Universal Some Adaptation May Be Required) 72288
AmericanTrucks.com
32
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RAM 1500 Flowmaster Flowfx Center/Dual Oval Muffler 3-Inch Inlet/2.50-Inch Outlet (Universal Some Adaptation May Be Required) 72288
AmericanTrucks.com
32
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Ford F-250 Super Duty Flowmaster Flowfx Center/Center Muffler 3.50-Inch Inlet/3.50-Inch Outlet (Universal Some Adaptation May Be Required) 74151
AmericanTrucks.com
6
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Ford F-250 Super Duty Flowmaster Flowfx Center/Center Muffler 3.50-Inch Inlet/3.50-Inch Outlet (Universal Some Adaptation May Be Required) 74151
AmericanTrucks.com
6
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Flowmaster Flow FX Muffler Flow FX Muffler - 3.00 In/Out - Round Body - Moderate Sound - Stainless Steel - 71419
Extreme Power House
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Flowmaster Flow FX Muffler Flow FX Muffler - 3.00 In/Out - Round Body - Moderate Sound - Stainless Steel - 71419
Extreme Power House
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Flowmaster Moderate Sound Flowfx Exhaust Muffler W/ 3" Center In /
eBay
78
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Flowmaster Moderate Sound Flowfx Exhaust Muffler W/ 3" Center In /
eBay
78
$71.69
Sierra 1500 Flowmaster Flowfx Center/Center Muffler 3-Inch Inlet/3-Inch Outlet (Universal Some Adaptation May Be Required) 71249
AmericanTrucks.com
6
$71.69
Sierra 1500 Flowmaster Flowfx Center/Center Muffler 3-Inch Inlet/3-Inch Outlet (Universal Some Adaptation May Be Required) 71249
AmericanTrucks.com
6
$173.95
$195.95
Flowmaster 943053 Mustang 3' Muffler 1991
CJ Pony Parts
55
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Flowmaster 943053 Mustang 3' Muffler 1991
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55
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Flowmaster 72198 Flowmaster Flowfx Muffler - 72198
Revel Performance
636
$71.69
Flowmaster 72198 Flowmaster Flowfx Muffler - 72198
Revel Performance
636
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Flowmaster 942553 Mustang 2.5" Muffler Aluminum 50 Series Delta 1999
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40
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Flowmaster 942553 Mustang 2.5" Muffler Aluminum 50 Series Delta 1999
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40
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Flowmaster 72619 Flowfx Muffler - Universal Stainless Steel 20 in
eBay
1
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Flowmaster 72619 Flowfx Muffler - Universal Stainless Steel 20 in
eBay
1
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Flowmaster Flowfx Series 3" In/Out Round Muffler For All Cars Trucks &
eBay
25
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Flowmaster Flowfx Series 3" In/Out Round Muffler For All Cars Trucks &
eBay
25
$240.99
$289.89
Flowmaster Mustang Offset Muffler 40 Series 2.5" With Aluminized Steel Flow Tubes Kit GT 1994
CJ Pony Parts
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Flowmaster Mustang Offset Muffler 40 Series 2.5" With Aluminized Steel Flow Tubes Kit GT 1994
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Flowmaster Flow FX Muffler 3.5" Inlet & Outlet
Diesel Power Products
6
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Flowmaster Flow FX Muffler 3.5" Inlet & Outlet
Diesel Power Products
6
$54.29
Flowmaster Flowmonster Straight-Through Muffler Oval Case Center In/Center Out: 3 in.
JEGS High Performance
5
$54.29
Flowmaster Flowmonster Straight-Through Muffler Oval Case Center In/Center Out: 3 in.
JEGS High Performance
5
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Flowmaster 71229 Flowfx Muffler
FORTLUFT Exhaust Muffler Shop
635
$71.69
Flowmaster 71229 Flowfx Muffler
FORTLUFT Exhaust Muffler Shop
635
$54.29
Flowmaster Flowmonster Straight-Through Muffler Round Case Center In/Center Out: 3 in.
JEGS High Performance
5
$54.29
Flowmaster Flowmonster Straight-Through Muffler Round Case Center In/Center Out: 3 in.
JEGS High Performance
5
$499.95
Flowmaster Flowfx Direct-Fit Muffler 718203
RealTruck.com
17
$499.95
Flowmaster Flowfx Direct-Fit Muffler 718203
RealTruck.com
17
$69.99
$74.09
Floshine 4'' Exhaust Muffler, 4'' Inlet/Outlet, Universal 30'' Overall Stainless Steel Straight Through Design, Resonator Muffler
Amazon.com
45
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$74.09
Floshine 4'' Exhaust Muffler, 4'' Inlet/Outlet, Universal 30'' Overall Stainless Steel Straight Through Design, Resonator Muffler
Amazon.com
45
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Truck Exhaust Kits 2.5" Dual Exhaust Kit With Flowmaster Flow FX Muffler Corner Exit With Chrome Tips Fits C10 Fits C15 63-72 Pickup SUV
Amazon.com
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Truck Exhaust Kits 2.5" Dual Exhaust Kit With Flowmaster Flow FX Muffler Corner Exit With Chrome Tips Fits C10 Fits C15 63-72 Pickup SUV
Amazon.com
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Flowmaster Flowfx Transverse Oval Muffler 2.50-Inch Inlet/2.50-Inch Outlet 72206
American Muscle
17
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Flowmaster Flowfx Transverse Oval Muffler 2.50-Inch Inlet/2.50-Inch Outlet 72206
American Muscle
17
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Flowmaster 717847 2019 - 2022 Ram Flowmaster Flowfx Muffler - 717847
Revel Performance
497
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Flowmaster 717847 2019 - 2022 Ram Flowmaster Flowfx Muffler - 717847
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Flowmaster 71419 Flowfx Muffler 3.00 In/Out Round Body
Speedway Motors
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Flowmaster 71419 Flowfx Muffler 3.00 In/Out Round Body
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Flowmaster 71419 Flowfx Muffler
FORTLUFT Exhaust Muffler Shop
926
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FORTLUFT Exhaust Muffler Shop
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Flowmaster 71229 Flowfx Muffler 3.00 Offset In, 3.00 Center Out
Speedway Motors
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Bronco Sport Flowmaster Flowfx Center/Center Muffler 3.50-Inch Inlet/3.50-Inch Outlet 74151
Extreme Terrain
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Bronco Sport Flowmaster Flowfx Center/Center Muffler 3.50-Inch Inlet/3.50-Inch Outlet 74151
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Flowmaster Flowmonster Straight-Through Muffler Oval Case Dual In/Dual Out: 2.500 in.
JEGS High Performance
11
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Flowmaster Flowmonster Straight-Through Muffler Oval Case Dual In/Dual Out: 2.500 in.
JEGS High Performance
11
Flowmaster’s Newest Muffler Release the FlowFX Straight-Through Performance Muffler
tacomaworld.com
Flowmaster’s Newest Muffler Release the FlowFX Straight-Through Performance Muffler
Flowmaster’s first “traditional” straight-through muffler the FlowFX has a perforated core surrounded with high-temperature sound absorption materials...
Aug 28, 2018
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Flowmaster Releases FlowFX Straight-Through Performance Mufflers and Exhaust Systems
Flowmaster Releases FlowFX Straight-Through Performance Mufflers and Exhaust Systems
autoguide.com
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Flowmaster Muffler Sound Chart: Loudest to Quietest [Explained & Reviewed] - chevygeek.com
Flowmaster Muffler Sound Chart: Loudest to Quietest [Explained & Reviewed] - chevygeek.com
chevygeek.com
Sep 22, 2022
Flowmaster’s® FlowFX Direct-Fit Muffler system for the 2025 RAM 1500 3.0L High Output offers a powerful, affordable upgrade. Designed for 2WD and 4WD models, it features dual 3-inch inlets flowing into a 409 stainless steel straight-through muffler for improved sound and performance. It connects to factory tailpipes, delivers dyno-proven gains of up to 21 hp and 18 lb-ft, and uses stock hangers for easy at-home installation. Includes all hardware, instructions, and is backed by a Lifetime Limite
2:14
Flowmaster’s® FlowFX Direct-Fit Muffler system for the 2025 RAM 1500 3.0L High Output offers a powerful, affordable upgrade. Designed for 2WD and 4WD models, it features dual 3-inch inlets flowing into a 409 stainless steel straight-through muffler for improved sound and performance. It connects to factory tailpipes, delivers dyno-proven gains of up to 21 hp and 18 lb-ft, and uses stock hangers for easy at-home installation. Includes all hardware, instructions, and is backed by a Lifetime Limite
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Flowmaster Releases FlowFX Straight-Through Performance Mufflers and Exhaust Systems
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chevygeek.com
Flowmaster’s® FlowFX Direct-Fit Muffler system for the 2025 RAM 1500 3.0L High Output offers a powerful, affordable upgrade. Designed for 2WD and 4WD models, it features dual 3-inch inlets flowing into a 409 stainless steel straight-through muffler for improved sound and performance. It connects to factory tailpipes, delivers dyno-proven gains of up to 21 hp and 18 lb-ft, and uses stock hangers for easy at-home installation. Includes all hardware, instructions, and is backed by a Lifetime Limite
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Shop Flowmaster FX Muffler Straight Through

Sponsored
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$71.69
Flowmaster Flow FX Muffler Flow FX Muffler - 3.00 Center In/3.00 Center Out - Straight Through Performance - Moderate Sound - Stainless Steel - 71249
Extreme Power House
$71.69
Flowmaster Flow FX Muffler Flow FX Muffler - 3.00 Center In/3.00 Center Out - Straight Through Performance - Moderate Sound - Stainless Steel - 71249
Extreme Power House
$90.15
3 Inch Flowmaster Flowfx Mufflers - 409 Stainless Steel | Flowmaster 72288
Summit Racing
3
$90.15
3 Inch Flowmaster Flowfx Mufflers - 409 Stainless Steel | Flowmaster 72288
Summit Racing
3
$171.95
3 Inch Flowmaster Flowfx Mufflers - 409 Stainless Steel | Flowmaster 72469
Summit Racing
1
Free shipping
$171.95
3 Inch Flowmaster Flowfx Mufflers - 409 Stainless Steel | Flowmaster 72469
Summit Racing
1
$138.95
Flowmaster Muffler Flow FX (3.5" Center In / 2.5" Dual Out) Straight Through Performance 72587
Redline360.com
160
$138.95
Flowmaster Muffler Flow FX (3.5" Center In / 2.5" Dual Out) Straight Through Performance 72587
Redline360.com
160
$138.95
Flowmaster Flow FX Muffler Flow FX Muffler - 3.50 Center In/2.50 Dual Out - Straight Through Performance - Moderate Sound - Stainless Steel - 72587
Extreme Power House
$138.95
Flowmaster Flow FX Muffler Flow FX Muffler - 3.50 Center In/2.50 Dual Out - Straight Through Performance - Moderate Sound - Stainless Steel - 72587
Extreme Power House
$104.95
Flowmaster Flow FX Muffler 3.5" Inlet & Outlet | 74151
Thoroughbred Diesel
6
$104.95
Flowmaster Flow FX Muffler 3.5" Inlet & Outlet | 74151
Thoroughbred Diesel
6
$71.69
3 Inch Flowmaster Flowfx Mufflers - 409 Stainless Steel | Flowmaster 71229
Summit Racing
66
$71.69
3 Inch Flowmaster Flowfx Mufflers - 409 Stainless Steel | Flowmaster 71229
Summit Racing
66
$171.95
Flowmaster Muffler Flow FX (3" Dual In / 3" Dual Out) Straight Through Performance 72469
Redline360.com
17
$171.95
Flowmaster Muffler Flow FX (3" Dual In / 3" Dual Out) Straight Through Performance 72469
Redline360.com
17
$66.55
2.25 Inch Flowmaster Flowfx Mufflers - 409 Stainless Steel | Flowmaster 71415
Summit Racing
16
$66.55
2.25 Inch Flowmaster Flowfx Mufflers - 409 Stainless Steel | Flowmaster 71415
Summit Racing
16
$142.94
Flowmaster 952549 Super 40 Series Chambered Muffler
Amazon.com
5
Free shipping
$142.94
Flowmaster 952549 Super 40 Series Chambered Muffler
Amazon.com
5
$66.55
Flowmaster Muffler Flow FX (2.5" In / 2.5" Out) Round Body Stainless Steel 71416
Redline360.com
1K+
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Flowmaster Muffler Flow FX (2.5" In / 2.5" Out) Round Body Stainless Steel 71416
Redline360.com
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RAM 1500 Flowmaster Flowfx Center/Dual Oval Muffler 3-Inch Inlet/2.50-Inch Outlet (Universal Some Adaptation May Be Required) 72288
AmericanTrucks.com
32
$90.15
RAM 1500 Flowmaster Flowfx Center/Dual Oval Muffler 3-Inch Inlet/2.50-Inch Outlet (Universal Some Adaptation May Be Required) 72288
AmericanTrucks.com
32
$104.95
Ford F-250 Super Duty Flowmaster Flowfx Center/Center Muffler 3.50-Inch Inlet/3.50-Inch Outlet (Universal Some Adaptation May Be Required) 74151
AmericanTrucks.com
6
$104.95
Ford F-250 Super Duty Flowmaster Flowfx Center/Center Muffler 3.50-Inch Inlet/3.50-Inch Outlet (Universal Some Adaptation May Be Required) 74151
AmericanTrucks.com
6
$66.55
Flowmaster Flow FX Muffler Flow FX Muffler - 3.00 In/Out - Round Body - Moderate Sound - Stainless Steel - 71419
Extreme Power House
$66.55
Flowmaster Flow FX Muffler Flow FX Muffler - 3.00 In/Out - Round Body - Moderate Sound - Stainless Steel - 71419
Extreme Power House
$92.95
Flowmaster Moderate Sound Flowfx Exhaust Muffler W/ 3" Center In /
eBay
78
$92.95
Flowmaster Moderate Sound Flowfx Exhaust Muffler W/ 3" Center In /
eBay
78
$71.69
Sierra 1500 Flowmaster Flowfx Center/Center Muffler 3-Inch Inlet/3-Inch Outlet (Universal Some Adaptation May Be Required) 71249
AmericanTrucks.com
6
$71.69
Sierra 1500 Flowmaster Flowfx Center/Center Muffler 3-Inch Inlet/3-Inch Outlet (Universal Some Adaptation May Be Required) 71249
AmericanTrucks.com
6
$173.95
$195.95
Flowmaster 943053 Mustang 3' Muffler 1991
CJ Pony Parts
55
Free shipping
11% off
$173.95
$195.95
Flowmaster 943053 Mustang 3' Muffler 1991
CJ Pony Parts
55
$71.69
Flowmaster 72198 Flowmaster Flowfx Muffler - 72198
Revel Performance
636
$71.69
Flowmaster 72198 Flowmaster Flowfx Muffler - 72198
Revel Performance
636