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Home /
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Performance Mufflers /
Absorption and Glass Pack Mufflers

Absorption And Glass Pack Mufflers

Flow FX Series

Introducing our “straight-through” Flow FX universal performance mufflers. Exterior features include; fully mig welded “bright” 409 stainless steel construction with the FlowFX logo embossed on the both sides of the case. The interior features a “straight-through” stainless steel perforated core surrounded with high temperature sound absorption materials delivering a deep mellow tone.
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Items 1 - 41 of 41 Items

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New Arrivals

Flowmonster
FLOWMONSTER 409SS ROUND CASE ABSORPTION MUFFLER FLOWMONSTER MUFFLER - 2.50 CENTER IN/2.50 CENTER OUT - 4.00 x 14.00 ROUND CASE - STRAIGHT THROUGH PERFORMANCE - MODERATE SOUND - POLISHED 409 STAINLESS STEEL

Part# 14416-FM
Free Shipping

In Stock

$54.29

Compare
Flowmonster
FLOWMONSTER 409SS OVAL CASE ABSORPTION MUFFLER FLOWMONSTER MUFFLER - 2.50 DUAL IN/2.50 DUAL OUT - 4.00 x 9.00 OVAL CASE - STRAIGHT THROUGH PERFORMANCE - MODERATE SOUND - 409 STAINLESS STEEL

Part# 11386-FM
Free Shipping

In Stock

$71.69

Compare
Flowtech Exhaust
Flowtech Purple Hornies Glasspack 3-Hole Jeep Header Mufflers, Sold as a Pair, 3" Inlet, 3" Outlet, Muffler Body Length 29", Overall Length 32"

Part# 50232FLT
(1)

Free Shipping

In Stock

$181.95

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Flowmonster
FLOWMONSTER 409SS OVAL CASE ABSORPTION MUFFLER FLOWMONSTER MUFFLER - 3.00 DUAL IN/3.00 DUAL OUT - 5.00 x 11.00 OVAL CASE - STRAIGHT THROUGH PERFORMANCE - MODERATE SOUND - 409 STAINLESS STEEL

Part# 12599-FM
Free Shipping

In Stock

$101.95

Compare
Flowmaster
Flowmaster Flow FX Muffler Flow FX Muffler - 2.50 Offset In/ 2.50 Center Out - Moderate Sound - Stainless Steel

Part# 71226
(1)

In Stock

$84.95

Compare
Flowmonster
FLOWMONSTER 409SS ROUND CASE ABSORPTION MUFFLER FLOWMONSTER MUFFLER - 3.00 CENTER IN/3.00 CENTER OUT - 4.00 x 14.00 ROUND CASE - STRAIGHT THROUGH PERFORMANCE - MODERATE SOUND - POLISHED 409 STAINLESS STEEL

Part# 14419-FM

In Stock

$54.29

Compare
Flowmaster
Flowmaster Flow FX Muffler Flow FX Muffler - 2.50 In/Out - 4" Round Body - Moderate Sound - Stainless Steel

Part# 71416

In Stock

$84.95

Compare
Hooker
Hooker 21642HKR VR304 Muffler VR304 Single 2-1/2 in. Offset Inlet, Single 2-1/2 in. Center Outlet - 304 Stainless Steel - Aggressive Sound

Part# 21642HKR

In Stock

Advertised Price $155.95

$140.35

Save $15.60

Compare
Hooker
Hooker 21670HKR VR304 Muffler VR304 Single 3 in. Offset Inlet, Single 3 in. Offset Outlet - 304 Stainless Steel - Aggressive Sound

Part# 21670HKR
Free Shipping

In Stock

Advertised Price $171.95

$154.75

Save $17.20

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Flowtech Exhaust
Flowtech Purple Hornies Glasspack Slip-Fit Muffler Inlet 2.250", Outlet 2.250" Muffler Body Length 18", Overall Length 24", Rich Powerful Sound,Distinctive Purple Finish

Part# 50225FLT
Free Shipping

In Stock

$51.95

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Flowmaster
Flowmaster Flow FX Muffler Flow FX Muffler - 3.00 In/Out - 4" Round Body - Moderate Sound - Stainless Steel

Part# 71419
(1)

In Stock

$99.95

Compare
Flowmaster
Flowmaster Flow FX Muffler Flow FX Muffler - 2.25 Offset In/ 2.25 Offset Out - Moderate Sound - Stainless Steel

Part# 71235

In Stock

$99.95

Compare
Flowmonster
FLOWMONSTER 409SS ROUND CASE ABSORPTION MUFFLER FLOWMONSTER MUFFLER - 3.00 CENTER IN/3.00 CENTER OUT - 5.00 x 14.00 ROUND CASE - STRAIGHT THROUGH PERFORMANCE - MODERATE SOUND - 409 STAINLESS STEEL

Part# 12867-FM
Free Shipping

In Stock

$54.29

Compare
Flowmaster
Flowmaster Flow FX Muffler Flow FX Muffler - 3.0 In/Out - 6" Round Body - Moderate Sound - Stainless Steel

Part# 72619

In Stock

$109.95

Compare
Flowtech Exhaust
Flowtech Purple Hornies Glasspack 3-Hole Turnout Header Muffler,3" Inlet, 3" Outlet,Muffler Body Length 29", Overall Length 32"

Part# 50231FLT
Free Shipping

In Stock

$89.49

Compare
Flowmaster
Flowmaster Flow FX Muffler Flow FX Muffler - 2.25 In/Out - 4" Round Body - Moderate Sound - Stainless Steel

Part# 71415

In Stock

$84.95

Compare
Flowmaster
Flowmaster Flow FX Muffler Flow FX Muffler - 2.25 Offset In/ 2.25 Center Out - Moderate Sound - Stainless Steel

Part# 71225

In Stock

$99.95

Compare
Flowmaster
Flowmaster Flow FX Muffler Flow FX Muffler - 3.00 Dual In/3.00 Dual Out with X-Pipe - Straight Through Performance - Moderate Sound - Stainless Steel

Part# 72469
Free Shipping

Backordered

Est. Ship Date: 09/11/2026

$159.95

Compare
Hooker
Hooker Maximum Flow Muffler The Maximum Flow flows either direction, allowing for easy installation. Single 3" Offset Inlet, Single 3" Center Outlet

Part# 21605HKR
Free Shipping

Backordered

Est. Ship Date: 09/25/2026

Advertised Price $155.95

$140.35

Save $15.60

Compare
Flowmaster
Flowmaster Flow FX Muffler Flow FX Muffler - 2.50 Offset In/ 2.50 Offset Out - Moderate Sound - Stainless Steel

Part# 71236

In Stock

$99.95

Compare
Flowtech Exhaust
Flowtech Purple Hornies Glasspack 3-Hole Header Muffler, 3" Inlet, 2.250" Outlet, Muffler Body Length 18", Overall Length 24"

Part# 50230FLT
Free Shipping

In Stock

$51.95

Compare
Flowmonster
FLOWMONSTER 409SS ROUND CASE ABSORPTION MUFFLER FLOWMONSTER MUFFLER - 2.50 CENTER IN/2.50 CENTER OUT - 4.00 x 14.00 ROUND CASE - STRAIGHT THROUGH PERFORMANCE - MODERATE SOUND - 409 STAINLESS STEEL

Part# 10416-FM

In Stock

$54.29

Compare
Flowmonster
FLOWMONSTER 409SS OVAL CASE ABSORPTION MUFFLER FLOWMONSTER MUFFLER - 3.00 CENTER IN/3.00 CENTER OUT - 4.00 x 9.00 OVAL CASE - STRAIGHT THROUGH PERFORMANCE - MODERATE SOUND - 409 STAINLESS STEEL

Part# 11219-FM
Free Shipping

In Stock

$54.29

Compare
Flowmaster
Flowmaster Flow FX Muffler Flow FX Muffler - 3.00 Center In/ 2.50 Dual Out - Moderate Sound - Stainless Steel

Part# 72198

In Stock

$119.95

Compare
Flowtech Exhaust
Flowtech Red Hots Glasspack Glasspack Muffler, Slip-Fit, 2.5" Inlet, 2.5" Outlet, Muffler Body is 18" Long and Has a Overall Length of 24"

Part# 50252FLT

In Stock

$36.19

Compare
Flowtech Exhaust
Flowtech Red Hots Glasspack Glasspack Muffler, Slip-Fit, 2.250" Inlet, 2.250" Outlet, Muffler Body is 18" Long and Has a Overall Length of 24"

Part# 50251FLT
Free Shipping

In Stock

$36.19

Compare
Flowmaster
Flowmaster Flow FX Muffler Flow FX Muffler - 3.00 Center In/3.00 Center Out - Straight Through Performance - Moderate Sound - Stainless Steel

Part# 71249

In Stock

$119.95

Compare
Hooker
Hooker VR304 Muffler VR304 Single 2-1/2" Offset Inlet, Single 2-1/2" Offset Outlet - 304 Stainless Steel - Aggressive Sound

Part# 21644HKR
Free Shipping

In Stock

Advertised Price $169.95

$152.95

Save $17.00

Compare
Flowmaster
Flowmaster Flow FX Muffler Flow FX Muffler - 3.50 Center In/2.50 Dual Out - Straight Through Performance - Moderate Sound - Stainless Steel

Part# 72587
Free Shipping

In Stock

$159.95

Compare
Hooker
Hooker Maximum Flow Muffler The Maximum Flow flows either direction, allowing for easy installation. Single 4" Center Inlet, Single 4" Center Outlet

Part# 21609HKR
Free Shipping

In Stock

Advertised Price $140.95

$126.85

Save $14.10

Compare
Flowmaster
Flowmaster Flow FX Muffler Flow FX Muffler - 3.00 Offset In/ 3.00 Center Out - Moderate Sound - Stainless Steel

Part# 71229
(1)

In Stock

$109.95

Compare
Hooker
Hooker Maximum Flow Muffler The Maximum Flow flows either direction, allowing for easy installation. Single 3" Offset Inlet, Single 3" Offset Outlet

Part# 21630HKR
Free Shipping

In Stock

Advertised Price $155.95

$140.35

Save $15.60

Compare
Flowtech Exhaust
Flowtech Red Hots Glasspack Glasspack Muffler, Slip-Fit, 2" Inlet, 2" Outlet, Muffler Body is 18" Long and Has a Overall Length of 24"

Part# 50250FLT

In Stock

$36.19

Compare
Hooker
Hooker Maximum Flow Muffler The Maximum Flow flows either direction, allowing for easy installation. Single 2-1/2" Offset Inlet, Single 2-1/2" Center Outlet

Part# 21602HKR
Free Shipping

In Stock

Advertised Price $155.95

$85.95

Save $70.00

Compare
Hooker
Hooker Maximum Flow Muffler The Maximum Flow flows either direction, allowing for easy installation. Single 2-1/2" Center Inlet, Single 2-1/2" Center Outlet

Part# 21614HKR

In Stock

Advertised Price $136.95

$123.25

Save $13.70

Compare
Hooker
Hooker 21645HKR VR304 Muffler VR304 Single 3 in. Offset Inlet, Single 3 in. Center Outlet - 304 Stainless Steel - Aggressive Sound

Part# 21645HKR
Free Shipping

In Stock

Advertised Price $171.95

$154.75

Save $17.20

Compare
Flowmaster
Flowmaster Flow FX Muffler Flow FX Muffler - 2.5 In/Out - Oval Body - Transverse - Moderate Sound - Stainless Steel

Part# 72206
Free Shipping

In Stock

$159.95

Compare
Flowmaster
Flowmaster Flow FX Muffler Flow FX Muffler - 3.00 Center In/2.50 Dual Out - Moderate Sound - Stainless Steel

Part# 72288

In Stock

$135.95

Compare
Flowmaster
Flowmaster Flow FX Muffler Flow FX Muffler - 3.50 Center In/Center Out - Moderate Sound - Stainless Steel

Part# 74151
Free Shipping

In Stock

$159.95

Compare
APR
APR Premium Sound Absorption Muffler - 76mm (3") T304 stainless steel with straight-through 76mm (3") inlet and outlet. Oval Body 220mm (8.66") x 169mm (6.65") x 286mm (11.26").

Part# MUH0014
Free Shipping

In Stock

$380.95

Compare
APR
APR Premium Helmholtz Resonator - 76mm (3") T304 stainless steel with straight-through 76mm (3") design with offset inlet and outlet. Rounded square body 311mm (12.24") x 240mm (9.45") x 110mm (4.33").

Part# MUH0021
Free Shipping

In Stock

$371.95

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