Shop 4 in Inlet Muffler 5 in Outlet

Sponsored
$140.00
4" T409 Unpolished Diesel Performance Exhaust Muffler
TheDPFdelete
$140.00
4" T409 Unpolished Diesel Performance Exhaust Muffler
TheDPFdelete
$240.99
4" Inlet/5" Outlet Aluminized 44.5"L Muffler | Grand Rock
Iowa 80
30-day returns (most items)
$240.99
4" Inlet/5" Outlet Aluminized 44.5"L Muffler | Grand Rock
Iowa 80
30-day returns
$24.54
Walker Heavy Duty 41899 Exhaust Pipe Connector 5" Inlet (ID) 5" Outlet (ID)
Amazon.com
17
$24.54
Walker Heavy Duty 41899 Exhaust Pipe Connector 5" Inlet (ID) 5" Outlet (ID)
Amazon.com
17
$229.99
MBRP 4" Quiet Tone Muffler Resonator - Construction: T409 Stainless Steel - Universal | M1004S
Thoroughbred Diesel
103
$229.99
MBRP 4" Quiet Tone Muffler Resonator - Construction: T409 Stainless Steel - Universal | M1004S
Thoroughbred Diesel
103
$24.38
Walker Heavy Duty 41895 Exhaust Pipe Connector 4" Inlet (ID) 4" Outlet (ID)
Amazon.com
436
$24.38
Walker Heavy Duty 41895 Exhaust Pipe Connector 4" Inlet (ID) 4" Outlet (ID)
Amazon.com
436
$179.99
Dynatech® 776-14402 Oval Split Flow Muffler, 4 Inch
Speedway Motors
$179.99
Dynatech® 776-14402 Oval Split Flow Muffler, 4 Inch
Speedway Motors
$760.99
Donaldson M091048 M091048, Muffler
Zoro.com
$760.99
Donaldson M091048 M091048, Muffler
Zoro.com
$155.87
5 Inch Semi Truck Muffler By Grand Rock Exhaust
Raney's Truck Parts
$155.87
5 Inch Semi Truck Muffler By Grand Rock Exhaust
Raney's Truck Parts
$74.99
Floshine 4'' Exhaust Muffler, 4'' Inlet/Outlet, Universal 30'' Overall Stainless Steel Straight Through Design, Resonator Muffler
Amazon.com
14
Free shipping
$74.99
Floshine 4'' Exhaust Muffler, 4'' Inlet/Outlet, Universal 30'' Overall Stainless Steel Straight Through Design, Resonator Muffler
Amazon.com
14
$144.99
5" Inlet/Outlet Aluminized Muffler 44.5"L | Grand Rock
Iowa 80
30-day returns (most items)
$144.99
5" Inlet/Outlet Aluminized Muffler 44.5"L | Grand Rock
Iowa 80
30-day returns
$221.99
Galvanized 10 Inch Muffler 4 ID / 5 ID X 51 Inch OAL | Bestfit
4 State Trucks
$221.99
Galvanized 10 Inch Muffler 4 ID / 5 ID X 51 Inch OAL | Bestfit
4 State Trucks
$229.99
Sierra 2500 MBRP Armor Plus Quiet Tone Muffler 4-Inch Inlet/4-Inch Outlet (Universal Some Adaptation May Be Required)
AmericanTrucks.com
1
$229.99
Sierra 2500 MBRP Armor Plus Quiet Tone Muffler 4-Inch Inlet/4-Inch Outlet (Universal Some Adaptation May Be Required)
AmericanTrucks.com
1
$276.99
4" Inlet/Outlet Steel Muffler 44"L | Dynaflex Products
Iowa 80
30-day returns (most items)
$276.99
4" Inlet/Outlet Steel Muffler 44"L | Dynaflex Products
Iowa 80
30-day returns
$257.13
Diamond Eye Performance 51" Big Dog Quiet Tone Muffler - 4" Inlet / Outlet
Diesel Power Products
1
$257.13
Diamond Eye Performance 51" Big Dog Quiet Tone Muffler - 4" Inlet / Outlet
Diesel Power Products
1
$819.99
4"/5" 2017+ L5P 6.6 Duramax DPF Delete Race Pipe Chevy GMC, 2017-2019 / Dp-Back W/Muffler / 5'
Spetuner
14-day returns (most items)
$819.99
4"/5" 2017+ L5P 6.6 Duramax DPF Delete Race Pipe Chevy GMC, 2017-2019 / Dp-Back W/Muffler / 5'
Spetuner
14-day returns
$118.99
4.00 Inch Dynomax Ultra Flo Welded Round Mufflers - Steel | Dynomax Performance 17225
Summit Racing
5
Free shipping
$118.99
4.00 Inch Dynomax Ultra Flo Welded Round Mufflers - Steel | Dynomax Performance 17225
Summit Racing
5
$39.95
Sound Off Muffler Kit
Think Vacuums
30-day returns (most items)
$39.95
Sound Off Muffler Kit
Think Vacuums
30-day returns
$158.99
Walker Mega-Flow Direct Fit Exhaust Muffler 5" Inlet (ID) 5" Outlet (ID), 22963
Advance Auto Parts
9
$158.99
Walker Mega-Flow Direct Fit Exhaust Muffler 5" Inlet (ID) 5" Outlet (ID), 22963
Advance Auto Parts
9
$132.95
Stainless Steel Muffler Baffles
Raney's Truck Parts
$132.95
Stainless Steel Muffler Baffles
Raney's Truck Parts
$711.99
Donaldson M085226 Muffler, Round Style 3 Wrapped
Zoro.com
$711.99
Donaldson M085226 Muffler, Round Style 3 Wrapped
Zoro.com
$153.99
5.00 Inch Walker Mega-Flow Mufflers - Steel | Walker Exhaust 22964
Summit Racing
3
$153.99
5.00 Inch Walker Mega-Flow Mufflers - Steel | Walker Exhaust 22964
Summit Racing
3
$324.99
$401.46
MBRP Exhaust 4" Inlet/Outlet, Quiet Tone Muffler, 24" Body, 6" Diameter, 30" Overall, T304 M1004
Norcal Diesel Performance
Free shipping
19% off
$324.99
$401.46
MBRP Exhaust 4" Inlet/Outlet, Quiet Tone Muffler, 24" Body, 6" Diameter, 30" Overall, T304 M1004
Norcal Diesel Performance
Free shipping
$102.99
5.00 Inch Walker Replacement Mufflers - Steel | Walker Exhaust 22771
Summit Racing
$102.99
5.00 Inch Walker Replacement Mufflers - Steel | Walker Exhaust 22771
Summit Racing
$229.99
MBRP Muffler 5" Inlet /Outlet 24" Body 31" Overall, T409 | M2050S
Thoroughbred Diesel
30-day returns (most items)
$229.99
MBRP Muffler 5" Inlet /Outlet 24" Body 31" Overall, T409 | M2050S
Thoroughbred Diesel
30-day returns
$49.99
Street Performance 5" Round Body 4.0" In X 4.0" Out Street Flow Muffler
Diesel Power Products
30-day returns (most items)
$49.99
Street Performance 5" Round Body 4.0" In X 4.0" Out Street Flow Muffler
Diesel Power Products
30-day returns
$169.00
Silverado 3500 AFE MACH Force-XP Muffler 4-Inch Inlet/4-Inch Outlet (Universal Some Adaptation May Be Required)
AmericanTrucks.com
1
$169.00
Silverado 3500 AFE MACH Force-XP Muffler 4-Inch Inlet/4-Inch Outlet (Universal Some Adaptation May Be Required)
AmericanTrucks.com
1
$312.99
5 Inch OD / ID Exhaust Elbow Muffler Outlet Replaces M66-1082X160225N090 For Kenworth | AUTOMANN USA
4 State Trucks
$312.99
5 Inch OD / ID Exhaust Elbow Muffler Outlet Replaces M66-1082X160225N090 For Kenworth | AUTOMANN USA
4 State Trucks
$74.79
Diamond Eye 4" Factory Muffler Replacement Pipe 04.5-07 5.9L Cummins - 30"
Diesel Power Products
1
$74.79
Diamond Eye 4" Factory Muffler Replacement Pipe 04.5-07 5.9L Cummins - 30"
Diesel Power Products
1
$496.91
$848.55
2009-2011 Muffler Mastercraft - 4" Inlet W/60° Angle - 3.5" Outlet W/ 80° Angle - Vertical 8.1 Liter 235/245/255/XS OEM 252050
My Inboard Marine
10-day returns (most items)
41% off
$496.91
$848.55
2009-2011 Muffler Mastercraft - 4" Inlet W/60° Angle - 3.5" Outlet W/ 80° Angle - Vertical 8.1 Liter 235/245/255/XS OEM 252050
My Inboard Marine
10-day returns
$159.99
RAM 2500 MBRP Armor Lite Muffler 4-Inch Inlet/4-Inch Outlet (Universal Some Adaptation May Be Required)
AmericanTrucks.com
$159.99
RAM 2500 MBRP Armor Lite Muffler 4-Inch Inlet/4-Inch Outlet (Universal Some Adaptation May Be Required)
AmericanTrucks.com
$131.99
Bestfit 8 Inch Diameter Muffler Type 1 4 ID / 5 ID X 21 Inch OAL
4 State Trucks
$131.99
Bestfit 8 Inch Diameter Muffler Type 1 4 ID / 5 ID X 21 Inch OAL
4 State Trucks
$119.95
Mel's Manufacturing Performance Diesel Mufflers (4"X29" Fiberglass Packed Perforated Core Long Muffler) | 6195
Thoroughbred Diesel
30-day returns (most items)
$119.95
Mel's Manufacturing Performance Diesel Mufflers (4"X29" Fiberglass Packed Perforated Core Long Muffler) | 6195
Thoroughbred Diesel
30-day returns
$224.99
MBRP Exhaust 4" Inlet/Outlet, Quiet Tone Muffler, 24" Body, 6" Diameter, 30" Overall, AL M1004A
Norcal Diesel Performance
Free shipping
$224.99
MBRP Exhaust 4" Inlet/Outlet, Quiet Tone Muffler, 24" Body, 6" Diameter, 30" Overall, AL M1004A
Norcal Diesel Performance
Free shipping
$86.41
Walker 22771 Heavy Duty Steel Round Aluminized Exhaust Muffler (5" Center ID, 5" Center OD, 19" Length)
CARiD.com Google Merchant
2
$86.41
Walker 22771 Heavy Duty Steel Round Aluminized Exhaust Muffler (5" Center ID, 5" Center OD, 19" Length)
CARiD.com Google Merchant
2
$107.99
Magnaflow 4in. Round Straight-Through Performance Exhaust Muffler, 10425
Advance Auto Parts
66
$107.99
Magnaflow 4in. Round Straight-Through Performance Exhaust Muffler, 10425
Advance Auto Parts
66
$41.95
Straight Cut Exhaust Rain Cap Stainless Steel
Raney's Truck Parts
11
$41.95
Straight Cut Exhaust Rain Cap Stainless Steel
Raney's Truck Parts
11
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    Shop 4 in Inlet Muffler 5 in Outlet

    Sponsored
    $140.00
    4" T409 Unpolished Diesel Performance Exhaust Muffler
    TheDPFdelete
    $140.00
    4" T409 Unpolished Diesel Performance Exhaust Muffler
    TheDPFdelete
    $240.99
    4" Inlet/5" Outlet Aluminized 44.5"L Muffler | Grand Rock
    Iowa 80
    30-day returns (most items)
    $240.99
    4" Inlet/5" Outlet Aluminized 44.5"L Muffler | Grand Rock
    Iowa 80
    30-day returns
    $24.54
    Walker Heavy Duty 41899 Exhaust Pipe Connector 5" Inlet (ID) 5" Outlet (ID)
    Amazon.com
    17
    $24.54
    Walker Heavy Duty 41899 Exhaust Pipe Connector 5" Inlet (ID) 5" Outlet (ID)
    Amazon.com
    17
    $229.99
    MBRP 4" Quiet Tone Muffler Resonator - Construction: T409 Stainless Steel - Universal | M1004S
    Thoroughbred Diesel
    103
    30-day returns (most items)
    $229.99
    MBRP 4" Quiet Tone Muffler Resonator - Construction: T409 Stainless Steel - Universal | M1004S
    Thoroughbred Diesel
    103
    $24.38
    Walker Heavy Duty 41895 Exhaust Pipe Connector 4" Inlet (ID) 4" Outlet (ID)
    Amazon.com
    436
    $24.38
    Walker Heavy Duty 41895 Exhaust Pipe Connector 4" Inlet (ID) 4" Outlet (ID)
    Amazon.com
    436
    $179.99
    Dynatech® 776-14402 Oval Split Flow Muffler, 4 Inch
    Speedway Motors
    $179.99
    Dynatech® 776-14402 Oval Split Flow Muffler, 4 Inch
    Speedway Motors
    $760.99
    Donaldson M091048 M091048, Muffler
    Zoro.com
    $760.99
    Donaldson M091048 M091048, Muffler
    Zoro.com
    $155.87
    5 Inch Semi Truck Muffler By Grand Rock Exhaust
    Raney's Truck Parts
    $155.87
    5 Inch Semi Truck Muffler By Grand Rock Exhaust
    Raney's Truck Parts
    $74.99
    Floshine 4'' Exhaust Muffler, 4'' Inlet/Outlet, Universal 30'' Overall Stainless Steel Straight Through Design, Resonator Muffler
    Amazon.com
    14
    Free shipping
    $74.99
    Floshine 4'' Exhaust Muffler, 4'' Inlet/Outlet, Universal 30'' Overall Stainless Steel Straight Through Design, Resonator Muffler
    Amazon.com
    14
    $144.99
    5" Inlet/Outlet Aluminized Muffler 44.5"L | Grand Rock
    Iowa 80
    30-day returns (most items)
    $144.99
    5" Inlet/Outlet Aluminized Muffler 44.5"L | Grand Rock
    Iowa 80
    30-day returns
    $221.99
    Galvanized 10 Inch Muffler 4 ID / 5 ID X 51 Inch OAL | Bestfit
    4 State Trucks
    $221.99
    Galvanized 10 Inch Muffler 4 ID / 5 ID X 51 Inch OAL | Bestfit
    4 State Trucks
    $229.99
    Sierra 2500 MBRP Armor Plus Quiet Tone Muffler 4-Inch Inlet/4-Inch Outlet (Universal Some Adaptation May Be Required)
    AmericanTrucks.com
    1
    $229.99
    Sierra 2500 MBRP Armor Plus Quiet Tone Muffler 4-Inch Inlet/4-Inch Outlet (Universal Some Adaptation May Be Required)
    AmericanTrucks.com
    1
    $257.13
    Diamond Eye Performance 51" Big Dog Quiet Tone Muffler - 4" Inlet / Outlet
    Diesel Power Products
    1
    30-day returns (most items)
    $257.13
    Diamond Eye Performance 51" Big Dog Quiet Tone Muffler - 4" Inlet / Outlet
    Diesel Power Products
    1
    $276.99
    4" Inlet/Outlet Steel Muffler 44"L | Dynaflex Products
    Iowa 80
    30-day returns (most items)
    $276.99
    4" Inlet/Outlet Steel Muffler 44"L | Dynaflex Products
    Iowa 80
    30-day returns
    $819.99
    4"/5" 2017+ L5P 6.6 Duramax DPF Delete Race Pipe Chevy GMC, 2017-2019 / Dp-Back W/Muffler / 5'
    Spetuner
    14-day returns (most items)
    $819.99
    4"/5" 2017+ L5P 6.6 Duramax DPF Delete Race Pipe Chevy GMC, 2017-2019 / Dp-Back W/Muffler / 5'
    Spetuner
    14-day returns
    $118.99
    4.00 Inch Dynomax Ultra Flo Welded Round Mufflers - Steel | Dynomax Performance 17225
    Summit Racing
    5
    Free shipping
    $118.99
    4.00 Inch Dynomax Ultra Flo Welded Round Mufflers - Steel | Dynomax Performance 17225
    Summit Racing
    5
    $39.95
    Sound Off Muffler Kit
    Think Vacuums
    30-day returns (most items)
    $39.95
    Sound Off Muffler Kit
    Think Vacuums
    30-day returns
    $158.99
    Walker Mega-Flow Direct Fit Exhaust Muffler 5" Inlet (ID) 5" Outlet (ID), 22963
    Advance Auto Parts
    9
    $158.99
    Walker Mega-Flow Direct Fit Exhaust Muffler 5" Inlet (ID) 5" Outlet (ID), 22963
    Advance Auto Parts
    9