UnderDog Diesel » 4 Inch

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Items 121-152 of 152
Exhaust System Kit
Description: 4in. Turbo Back Single Side Exit Retains Stock Catalytic Converter T409 Stainless Steel. Note: 3.5in. Turbo Downpipe, 5in. Outside Diameter Tip Included. Retains Stock Catalytic Converter. Not...More Details »
Item #: S6212409
Condition: New
Price: $730.04

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Exhaust System Kit
Description: 4in. Turbo Back Single Side Exit Retains Stock Catalytic Converter Automatic Only T409 Stainless Steel. Note: 3in. Turbo Down Pipe, 5in. Outside Diameter Tip Included. Automatic Only. Retains...More Details »
Item #: S6218409
Condition: New
Price: $716.09

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Exhaust System Kit
Description: 4in. Turbo Back Single Side Exit Retains Stock Catalytic Converter T409 Stainless Steel. Note: 3.5in. Turbo Downpipe, 5in. Outside Diameter Tip Included. Excludes 140in. Wheelbase...More Details »
Item #: S6240409
Condition: New
Price: $720.74

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Exhaust System Kit
Description: 4in. Turbo Back Single Side Exit T304 Stainless Steel. Note: 5in. Outside Diameter Tip Included. 1998 Partial Year, Do Not Use On Vehicles Equipped With A Catalytic Converter.
Item #: S6100304
Condition: New
Price: $995.09

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Exhaust System Kit
Description: 4in. Turbo Back Single Side Exit T304 Stainless Steel. Note: 4in. Turbo Downpipe, 5in. Outside Diameter Tip Included. Not For Use On Vehicles Equipped With A Catalytic Converter.
Item #: S6200304
Condition: New
Price: $976.49

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Exhaust System Kit
Description: 4in. Turbo Back Single Side Exit T409 Stainless Steel. Note: 5in. Outside Diameter Tip Included. 1998 Partial Year, Do Not Use On Vehicles Equipped With A Catalytic Converter.
Item #: S6100409
Condition: New
Price: $599.84

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Exhaust System Kit
Description: 4in. Turbo Back Single Side Exit T409 Stainless Steel. Note: 5in. Outside Diameter Tip Included. Early 2004 "Not For Use On Vehicles Equipped With A Catalytic Converter (235 hp California Model)"
Item #: S6104409
Condition: New
Price: $637.04

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Exhaust System Kit
Description: 4in. Turbo Back Single Side Exit T409 Stainless Steel. Note: 4in. Turbo Downpipe, 5in. Outside Diameter Tip Included. Not For Use On Vehicles Equipped With A Catalytic Converter.
Item #: S6200409
Condition: New
Price: $646.34

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Exhaust System Kit
Description: 4in. Turbo Back Single Side Exit Retains Stock Catalytic Converter Aluminized Steel No Muffler. Note: 3.5in. Turbo Downpipe, No Tip Included. Retains Stock Catalytic Converter. Not for Sale in...More Details »
Item #: S6206PLM
Condition: New
Price: $408.49

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Exhaust Pipe
Description: 4in. Turbo Down Pipe Aluminized Steel. Note: Turbo Down Pipe. Not For Sale In California.
Item #: FAL459
Condition: New
Price: $255.74

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Exhaust Pipe
Description: 4in. Turbo Down Pipe Aluminized Steel. Note: Not For Sale In California.
Item #: FAL460
Condition: New
Price: $260.39

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Exhaust Pipe
Description: 4in. Turbo Down Pipe Aluminized Steel -EO # D-763-1. Note: Fits 2015 Cab and Chassis Model.
Item #: FALCA459
Condition: New
Price: $255.74

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Exhaust Pipe
Description: 4in. Turbo Down Pipe Aluminized Steel -EO # D-763-1. Note: Aluminized Steel, Turbo Down Pipe.
Item #: FALCA460
Condition: New
Price: $260.39

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Exhaust Pipe
Description: 4in. Turbo Down Pipe T409 Stainless Steel. Note: Fits 2015 Cab and Chassis Model. Not For Sale or Use in The State of California.
Item #: FS9459
Condition: New
Price: $316.19

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Exhaust Pipe
Description: 4in. Turbo Down Pipe T409 Stainless Steel. Note: Non Cab and Chassis Only. Not For Sale In California.
Item #: FS9460
Condition: New
Price: $306.89

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Exhaust Pipe
Description: 4in. Turbo Down Pipe T409 Stainless Steel -EO # D-763-1. Note: Fits 2015 Cab and Chassis Model. Can and Chassis Models only.
Item #: FS9CA459
Condition: New
Price: $302.24

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Exhaust Pipe
Description: 4in. Turbo Down Pipe T409 Stainless Steel -EO # D-763-1. Note: CARB EO # D-763-1.
Item #: FS9CA460
Condition: New
Price: $297.59

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Exhaust Pipe
Description: Adapter for All Reg. Cab Installations T409. Note: Adapter for All Reg. Cab Installations.
Item #: FS9449
Condition: New
Price: $37.19
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Exhaust Pipe
Description: Dual Muffler Bypass Pipe 4in. Inlet/Outlet 27.5in. Overall T409 Stainless Steel. Note: Does Not Fit All 6.4L Ford, Chevy LMM or 6.6L Dodge.
Item #: MDDS927
Condition: New
Price: $153.44

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Exhaust Muffler
Description: High-Flow Muffler Assembly T409 Stainless Steel. Note: Cummins 600/650 Fits to Stock only.
Item #: MK96116
Condition: New
Price: $255.74

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Exhaust Muffler
Description: Muffler 4in. Inlet/Outlet 24in. Body 30in. Overall Aluminized Steel. Note: Replaced Part M2029.
Item #: M20681
Condition: New
Price: $148.79
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Exhaust Muffler
Description: Muffler 4in. Inlet/Outlet 24in. Body 30in. Overall T304 Stainless Steel. Note: Replaces All 30" Overall Length Muffler.
Item #: M1031
Condition: New
Price: $278.99

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Exhaust Muffler
Description: Muffler 4in. Inlet/Outlet 24in. Body 30in. Overall T409 Stainless Steel. Note: Replaces All 30" Overall Length Muffler.
Item #: M91031
Condition: New
Price: $176.69

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Exhaust Pipe
Description: Muffler Bypass Pipe 4in. Inlet/Outlet 30in. Overall T304 Stainless Steel. Note: Single System Muffler Bypass Pipe. Gives A More Aggressive Exhaust Note.
Item #: MDS30
Condition: New
Price: $116.24
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Exhaust Pipe
Description: Muffler Bypass Pipe 4in. Inlet/Outlet 30in. Overall T409 Stainless Steel. Note: Muffler Resonator Bypass Pipe.
Item #: MDS930
Condition: New
Price: $83.69
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Exhaust Pipe
Description: Muffler Bypass Pipe 4in. Inlet/Outlet 30in. Overall Aluminized Steel. Note: Single System, Muffler Bypass Pipe.
Item #: MDA30
Condition: New
Price: $65.09
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Exhaust Resonator
Description: Resonator 4in. Inlet Outlet 12in. Body 18in. Overall Aluminized Steel. Note: Aluminized Steel, Muffler Resonator.
Item #: R2009
Condition: New
Price: $154.99

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Exhaust Resonator
Description: Resonator 4in. Inlet Outlet 12in. Body 18in. Overall T304 Stainless Steel. Note: Louvered Core Resonator.
Item #: R1009
Condition: New
Price: $214.99

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Exhaust Pipe
Description: Turbo Down Pipe T409 Stainless Steel -EO # D-763-1. Note: T409-EO # D-763-1. Cutting Required For Installation.
Item #: FS9CA455
Condition: New
Price: $251.09

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Exhaust Pipe
Description: Turbo Down Pipe Aluminized Steel. Note: Not for sale or use in the state of California.
Item #: FAL455
Condition: New
Price: $195.29

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Exhaust Pipe
Description: Turbo Down Pipe Aluminized Steel -EO # D-763-1. Note: Turbo Down Pipe Kit.
Item #: FALCA455
Condition: New
Price: $195.29

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Exhaust Pipe
Description: Turbo Down Pipe T409 Stainless Steel. Note: Turbo Down Pipe. Not For Sale In California. Cutting Required For Installation.
Item #: FS9455
Condition: New
Price: $260.39

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Items 121-152 of 152

View Universal items for: 4 Inch